Q8. With reference to monoclonal antibodies, often mentioned in news, consider the following statements:

I. They are man-made proteins.

II. They stimulate immunological function due to their ability to bind to specific antigens.

III. They are used in treating viral infections like Nipah virus.

Which of the statements are correct?

Q9. Consider the following statements:

I. No virus can survive in ocean waters.

II. No virus can infect bacteria.

III. No virus can change the cellular "transcriptional activity" in host cells.

How many of the statements given above are correct?

‘Microsatellite DNA’ is used in the case of which one of the following?

‘Aerial metagenomics’ best refers to which one of the following situations?

‘Wolbachia method’ is sometimes talked about with reference to which one of the following?

Consider the following statements: 1. Biofilms can form on medical implants within human tissues. 2. Biofilms can form on food and food processing surfaces. 3. Biofilms can exhibit antibiotic resistance. Which of the statements given above are correct?

Consider the following statements in respect of probiotics: 1. Probiotics are made of both bacteria and yeast. 2. The organisms in probiotics are found in foods we ingest but they do not “naturally occur in our gut.” 3. Probiotics help in the digestion of milk sugars. Which of the statements given above is/are correct?

In the context of vaccines manufactured to prevent COVID-19 pandemic, consider the following statements: 1. The Serum Institute of India produced COVID-19 vaccine named Covishield using mRNA platform. 2. Sputnik V vaccine is manufactured using vector based platform. 3. COVAXIN is an inactivated pathogen based vaccine. Which of the statements given above are correct?

Consider the following statements: DNA Barcoding can be a tool to : 1. assess the age of a plant or animal. 2. distinguish among species that look alike. 3. identify undesirable animal or plant materials in processed foods. Which of the statements given above is/are correct?

Which one of the following statements best describes the role of B cells and T cells in the human body?

Bollgard I and Bollgard II technologies are mentioned in the context of:

With reference to recent developments regarding ‘Recombinant Vector Vaccines’, consider the following statements: 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?

In the context of hereditary diseases, consider the following statements: 1. Passing on mitochondrial diseases from parent to child can be prevented by mitochondrial replacement therapy either before or after in vitro fertilization of egg. 2. A child inherits mitochondrial diseases entirely from mother and not from father. Which of the statements given above is/are correct?

The term ‘ACE2’ is talked about in the context of

Consider the following statements: 1. Adenoviruses have single-stranded DNA genomes whereas retroviruses have double-stranded DNA genomes. 2. Common cold is sometimes caused by an adenovirus whereas AIDS is caused by a retrovirus. Which of the statements given above is/are correct?

Consider the following: 1. Bacteria 2. Fungi 3. Virus Which of the above can be cultured in artificial/synthetic medium?

Which of the following statements are correct regarding the general difference between plant and animal cells?
1. Plant cells have cellulose cell walls whilst animal cells do not.
2. Plant cells do not have plasma membrane unlike animal cells which do.
3. Mature plant cell has one large vacuole whilst an animal cell has many small vacuoles.
Select the correct answer using the code given below:

Consider the following statements: 1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent. 2. A person’s genome can be edited before birth at the early embryonic stage. 3. Human induced pluripotent stem cells can be injected into the embryo of a pig. Which of the statements given above is/are correct?

What is the importance of using Pneumococcal Conjugate Vaccines in India? 1. These vaccines are effective against pneumonia as well as meningitis and sepsis. 2. Dependence on antibiotics that are not effective against drug-resistant bacteria can be reduced. 3. These vaccines have no side effects and cause no allergic reactions. Select the correct answer using the code given below:

In the context of recent advances in human reproductive technology, ‘Pronuclear Transfer” is used for

With reference to the recent developments in science, which one of the following statements is not correct?

RNA interference (RNAi)' technology has gained popularity in the last few years. Why? 1. It is used in developing gene silencing therapies. 2. It can be used in developing therapies for the treatment of cancer. 3. It can be used to develop hormone replacement therapies. 4. It can be used to produce crop plants that are resistant to viral pathogens. Select the correct answer using the code given below.

What is Cas9 protein that is often mentioned in news?

Consider the following pairs: Terms sometimes seen in news – Context/Topic 1. Belle II experiment – Artificial Intelligence 2. Blockchain technology – Digital/ Cryptocurrency 3. CRISPR — Cas9 – Particle Physics Which of the pairs given above is/are correctly matched?

With reference to the Genetically Modified mustard (GM mustard) developed in India, consider the following statements. 1. GM mustard has the genes of a soil bacterium that give the plant the property of pest-resistance to a wide variety of pests. 2. GM mustard has the genes that allow the plant cross-pollination and hybridization. 3. GM mustard has been developed jointly by the IARI and Punjab Agricultural University. Which of the statements given above is/are correct?

What is the application of Somatic Cell Nuclear Transfer Technology?

With reference to agriculture in India, how can the technique of ‘genome sequencing’, often seen in the news, be used in the immediate future? 1. Genome sequencing can be used to identify genetic markers for disease resistance and drought tolerance in various crop plants. 2. This technique helps in reducing the time required to develop new varieties of crop plants. 3. It can be used to decipher the host-pathogen relationships in crops. Select the correct answer using the code given below:

In the context of the developments in Bioinformatics, the term ‘transcriptome’, sometimes seen in the news, refers to

With reference to pre-packaged items in India, it is mandatory to the manufacturer to put which of the following information on the main label, as per the Food Safety and Standards (Packaging and Labelling) Regulations, 2011? 1. List of ingredients including additives 2. Nutrition information 3. Recommendations, if any, made by the medical profession about the possibility of any allergic reactions 4. Vegetarian/non-vegetarian Select the correct answer using the code given below.

H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases.

Many transplanted seedlings do not grow because

Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to 1. Resist drought and increase absorptive area 2. Tolerate extremes of pH 3. Resist disease infestation Select the correct answer using the codes given below:

Recombinant DNA technology (Genetic Engineering) allows genes to be transferred 1. Across different species of plants 2. From animals to plants 3. From microorganisms to higher organisms. Select the correct answer using the codes given below.

With reference to ‘stem cells’ frequently in the news, which of the following statements is / are correct? 1. Stem cells can be derived from mammals only. 2. Stem cells can be used for screening new drugs. 3. Stem cells can be used for medical therapies. Select the correct answer using the codes given below:

What are the reasons for the people’s resistance to the introduction of Bt brinjal in India? 1. Bt brinjal has been created by inserting a gene from a soil fungus into its genome. 2. The seeds of Bt brinjal are terminator seeds and therefore, the farmers have to buy the seeds before every season from the seed companies. 3. There is an apprehension that the consumption of Bt brinjal may have adverse impact on health. 4. There is some concern that the introduction of Bt brinjal may have adverse effect on the biodiversity. Select the correct answer using the codes given below:

Recently, “oilzapper” was in the news. What is it?

At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us? 1. It is possible to know the pedigree of livestock. 2. It is possible to understand the causes of all human diseases. 3. It is possible to develop disease-resistant animal breeds. Which of the statements given above is/are correct?

Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrates. 2. They use a variety of inorganic materials as substrates. 3. They can be installed in wastewater treatment plants to cleanse water and produce electricity. Which of the following statements given above is/are correct?

A genetically engineered form of brinjal, known as the Bt-brinjal, has been developed. The objective of this is?

Which bacterial strain, developed from natural isolates by genetic manipulations, can be used for treating oil spills?

Mon 863 is a variety of maize. It was in the news for the following reason

Genetically modified “golden rice” has been engineered to meet human nutritional requirements. Which one of the following statements best qualifies golden rice?

Other than Jatropha curcas, why is Pongamia pinnata also considered a good option for the production of biodiesel in India? 1. Pongamia pinnata grows naturally in most of the arid regions of India. 2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid. Which of the statements given above is/are correct?

Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?

Which feature of some species of blue-green algae helps promote them as bio-fertilizers?

In the context of alternative sources of energy, ethanol as a viable biofuel can be obtained from

Consider the following statements about probiotic food: 1. Probiotic food contains live bacteria which are considered beneficial to humans. 2. Probiotic food helps in maintaining gut flora. Which of the statements given above is/are correct?

Which one of the following pairs is not correctly matched?

Recent Scientific Achievement: Country

The Genetic Engineering Approval Committee, whose permission is required for cultivation of any genetically modified crop such as Bt-Cotton in India, is under the Union Ministry of:

With reference to the latest developments in stem cell research, consider the following statements: 1. The only source of human stem cells are the embryos at blastocyst stage 2. The stem cells can be derived without causing destruction to blastocysts 3. The stem cells can regenerate themselves in vitro virtually forever 4. Indian research centres also created a few cell lines which can be developed into many types of tissues Which of these statements are correct?

Assertion (A): Scientists can cut apart and paste together DNA molecules at will, regardless of the source of the molecules. Reason (R): DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

The American multinational company, Monsanto has produced an insect-resistant cotton variety that is undergoing field trials in India. A toxin gene from which ONE of the following bacteria has been transferred to this transgenic cotton is.

Assertion (A): “DNA Fingerprinting” has become a powerful tool to establish paternity and identity of criminals in rape and assault cases. Reason (R): Trace evidence such as hairs, saliva and dried semen are adequate for DNA analysis.

Insect resistant cotton plants have been genetically engineered by inserting a gene from a/an

Which one of the following organisms can serve as a biofertilizer for rice crop?

Assertion (A): Dolly was the first cloned mammal. Reason (R): Dolly was produced by in vitro-fertilization.

Neem tree has acquired industrial importance as a source of

Assertion (A): Insect resistant transgenic cotton has been produced by inserting Bt gene. Reason (R): The Bt gene is derived from a bacterium.

Indian farmers are unhappy over the introduction of Terminator Seed Technology because the seeds produced by this technology are expected to

Match List-I with List-II and select the correct answer:
 List-I (Disease)
 A. Malaria
 B. Poliomyelitis
 C. Tuberculosis
 D. Ringworm
 List-II (Organism)
 1. Fungi
 2. Bacteria
 3. Virus
 4. Protozoan
 A B C D

Haemophilia is a genetic disorder which leads to

Which one of the following types of micro-organisms is most widely used in industries?

The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands. Which one of the following endocrine glands can function independent of the pituitary gland?

Oxygen transportation in a human body takes place through 1. Blood 2. Lungs 3. Tissue. The correct sequence of transportation is

Antigen is a substance which

Corpus luteum is a mass of cells found in

Of the four landmarks in medical history given below, which one was the first to take place?

According to the World Health Organization the disease which causes the death of the largest number of people today is:

Match List I with List II and select the correct answer List-I A. Vitamin B. Enzyme C. Hormone D. Protein List-II 1. Pepsin 2. Carotene 3. Keratin 4. Progesterone A B C D

Consider the following statements: AIDS is transmitted 1. by sexual intercourse 2. by blood transfusion 3. by mosquitoes and other blood sucking insects 4. across the placenta

Which of the following are associated with diabetes mellitus, a common disease in adults? 1. Higher sugar level in blood 2. Lower sugar level in blood 3. Lower insulin level in blood 4. Higher insulin level in blood Select the correct answer by using the codes given below:

Match List I (Physiological processes) with List II (Cell organelles) and select the correct answer List-I A. Photosynthesis B. Mineral uptake C. Respiration D. Protein synthesis List-II 1. Plasma membrane 2. Chloroplast 3. Mitochondria 4. Ribosome A B C D

Which of the following would lead to malnutrition? 1. Over nutrition 2. Under nutrition 3. Imbalanced nutrition Select the correct answer by using the codes given below:

People drinking water from a shallow hand pump are likely to suffer from all of the following diseases except

Which of the following professional (s) are more likely to run the risk of a permanent change in their cells DNA? 1. Researchers using carbon-14 isotope 2. X-ray technician 3. Coal miner 4. Dyer and painter Select the correct answer by using the codes given below:

It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against ___. The disease referred to in the above quotation is

Which one of the following sets is correctly matched? 1. Diphtheria, Pneumonia and Leprosy – Hereditary 2. AIDS, Syphilis and Gonorrhoea – Bacterial 3. Colour blindness, Hemophilia and Sickle cell anaemia – Sex linked 4. Polio, Japanese B encephalitis and plague – Viral Select the correct option:

A person with AB blood group is sometimes called a universal recipient because of the

Which one of the following is a membrane that protects the developing embryo from desiccation?

Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?

Which of the following elements are present in all proteins? 1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen

Which one of the following hormones contains iodine?

The heart of human embryo starts beating

If father has blood group A and mother has blood group O, then which one of the following blood group may be found in their son?

What is the correct sequence of the following in a heart attack? I. Narrowing of the inner orifice of the vessel II. ‘Plaque’ from fibrous tissue and high cholesterol III. Inadequate supply of blood and oxygen IV. Clots of blood carried into the coronary arteries. Choose the answer from the codes given below: Codes:

In the case of a 'Test-tube baby’

Even though an animal is fed with carbohydrate rich diet, its blood sugar concentration tends to remain constant. This is on account of the fact that in the case of an animal

Which of the following are characteristics shown by a breastfed baby when compared to a bottle-fed baby? I. It is less obese. II. It shows greater capacity to resist diseases. III. It gets more vitamins and proteins. IV. Its growth in height is abnormal. Select the correct answer from the codes given below. Codes:

In the balanced dietaries for a day of an adult working man, weights of carbohydrate food and total protein food (both superior and inferior) should be in order of

Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

Assertion (A): A lock of Einstein’s hair, if scientists could locate it and extract its DNA, could help in producing another Einstein, by cloning. Reason (R): The DNA extracted from the cell of an embryo at an early stage of development, can be transferred to individual eggs which in turn can be implanted into the uterus of a surrogate mother to give birth to an identical off spring. In the context of the above two statements, which one of the following is correct?

Which one of the following vitamins is considered to be a hormone?

Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of

Haemoglobin is dissolved in the plasma of

The theory of ‘jumping genes’ was propounded by

If a mouse of over eight times its normal size has been produced by introducing human growth hormone gene, the technique involved is called

Which one of the following approaches comes under the category of biotechnology?

Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are

Which one of the following seeds can benefit a patient of diabetes mellitus by normalizing his blood sugar level?

Scratching eases itching because

Haemophilia is a hereditary disease carried by

Biofilms are

Match List I with List II and select the correct answer using the codes given below the lists. List I A. Islets of Langerhans B. Pituitary gland C. Thyroid gland D. Adrenal gland List II 1. Calcitonin 2. Epinephrine 3. Growth hormone 4. Insulin Codes:   A B C D

Two richest known sources of edible protein are

Three important micronutrients essential for humans are

Which one of the following diseases is caused due to defective genes?

Man cannot digest cellulose whereas cows can do so because

Rabies is caused by a

The thermoregulatory centre of the man body is

Where does exchange of gases (O? and CO?) take place in our lungs?

Which one of the following is associated with AIDS?

Mitochondrial DNA in an individual comes from

Some medicines are given in the form of capsules. The capsules are made of

Which one of the following techniques has helped to solve many mysteries involving murders, robberies and rapes?

Which one of the following diseases is least infectious?

Match: List I – (Vitamins) A. B1 B. D C. K D. E List II – (Deficiency diseases) 1. Haemorrhage 2. Skin diseases 3. Vascular abnormalities 4. Rickets 5. Beriberi A B C D

Protective action against harmful household insects and pests can be taken by the use of

Which of the following determines the protein quality of food?

Significantly higher level of urea in the blood is the indication of

The medicines which are used to treat diseases caused by allergy are known as

Malaria fever is caused

Match List I with List II and select the correct answer using the codes given below them: List I (Vectors) A. Tsetse fly B. Aedes mosquito C. Water snail D. Sandflies List II (Diseases) 1. Yellow fever 2. Sleeping sickness 3. Bilharzia 4. Typhoid A B C D

Consider the following statements regarding bones in the human body: 1. They consist of 80% solid matter and 20% water. 2. Solid matter in the bones is made mainly of cartilage. 3. Impregnation of salts including carbonates and phosphates of lime imparts hardness to the bones. 4. In old age, the proportion of lime decreases and bones become brittle and break easily. Of these statements:

The human immuno deficiency virus (HIV) is a living entity because it can

Consider the following statements regarding blood pressure: 1. It is the pressure exerted by the blood on the walls of any vessel 2. It decreases in the arteries as the distance from the heart increases 3. It is lower in the capillaries than in the arteries 4. It is usually lower in women than in men. Of these statements

Match List I with List II and select the correct answer using the codes given below them : List I (Plant tissue) – A. Sclerenchyma B. Xylem C. Phloem D. Meristem List II (Function) – 1. Conduction of water 2. Transport of food 3. Mechanical strength 4. Cell division 5. Carbon assimilation A B C D

Assertion (A): Oral Rehydration Therapy (ORT) has been strongly recommended for reducing infant mortality. Reason (R): Gastrointestinal problems are very common among children especially in the developing countries.

The main difference between raw soybeans and cooked soybeans are in respect of

Which of the following has the highest calories per gram?

‘Lathyrism’ is a crippling disease caused by

Match the following: (A) Vitamin E ? (i) Scurvy (B) Vitamin K ? (ii) Rickets (C) Vitamin C ? (iii) Sterility (D) Vitamin D ? (iv) Blood coagulation A B C D

There are more antibacterial drugs than antiviral drugs because

Population of cells derived from a single parent cell is called

The characteristic feature of virus is that

The drugs caffeine, tannin and nicotine are

The saliva helps in the digestion of

Recently developed technique for monitoring foetal growth uses

Amniocentesis is a method for

Match the columns:(A) Otitis – (i) Throat(B) Encephalitis – (ii) Ear(C) Laryngitis – (iii) Liver(D) Hepatitis – (iv) Brain

Which of the following is/are found in plant cells but not in those of animals?

Which of the following diseases is hereditary?

Ultrafiltering units of kidney are known as

The human body is immune to which of the following diseases?

Temperature in human beings is controlled by

‘Blight’ the disease of potato can be cured by

Blood grouping was discovered by

A good source of Vitamin A is

Foetus development in women’s womb can be ascertained by

The cure for which of the following diseases exists?

ELISA test is prescribed for

Match the columns: (A) Vitamin A ? 1. Beriberi (B) Vitamin B ? 2. Rickets (C) Vitamin C ? 3. Scurvy (D) Vitamin D ? 4. Sterility (E) Vitamin E ? 5. Night Blindness A B C D E

Influence of genes in controlling the activity of living organisms is through

Interleukin, recently discovered, is a cure for

Triple antigen vaccine is given to the children to protect them against

AIDS is (1) Caused by virus (2) Carried by body fluid, blood and serum (3) Found mostly in males (4) Found mostly in homosexuals

Soybeans are rich in

The genetic code can be translated through an intermediate, adaptor molecule by

Bile is secreted by

Match the following: A. Carbohydrate - 1. It constitutes oil, ghee, butter and oil seed B. Fat - 2. Animal and vegetable tissues C. Protein - 3. Excellent source of energy, constitutes starch, sugar, etc. D. Amino acids - 4. End product of protein hydrolysis A B C D

What is the tissue culture?

Genetic code is made up by the four-letter alphabet forming the pairs

Sex chromosomes transmit which of the following diseases?

Which of the following diseases is spread through cow's milk?

One of your friends is in hospital and you want to see him. You are safest if he is suffering from

Jaundice is caused due to the malfunctioning of

Sex of a child is determined by the

Which of the following groups represents the correct order of four types of teeth in human beings?

Triple Antigen does not immunise against

Sir J. C. Bose was a great scientist because he showed the

In typhoid which of the following drugs is administered?

Hypochondria is a

The messages received by and transmitted from the brain to the various parts of the body take the form of

Hormones which are necessary for the development of the human body are secreted by

The ductless and secretory glands in the human body are known as

Fat is stored in the human body in

Vitamins do not act as a/an

Health hazard floods are responsible for the spread of

During cardiac failure, which of the following is advised as a first aid?

Dehydration in the human body results due to loss of

Ready source of energy is available for athletes in

Which among the following acts as a resistance against disease in the body?

A universal donor has the blood group belonging to

Retina in the eyes acts as a ____ in the camera

Milk of the animals fed on grass contains large amounts of fat in

Flood hit areas are to be immediately given medical cover. Which of the following is the most appropriate step?

When the rice is boiled, it expands because

The deficiency of … causes goiter

Rickets is caused due to

Identical twins are born when

Conception generally takes place at the time of

Why mothers feed the child with Vitamin A?

Growing children require comparatively more

How the body temperature is maintained?

Heart patients should avoid taking excess of

How dehydration helps in the preservation of food?

What is done to raise the dough while making bread?

A person with which blood group will be a universal donor?

Dysentery and Influenza are caused by

Which organ is associated with the production of insulin in the human body?

The sex of the offspring is determined, when

Colour blindness is

Another name of Vitamin C is

Dialysis is used for a patient suffering from

The deficiency of Vitamin D causes

During processing and cooking which part of food is mostly destroyed?

Which one of the following is secreted by Pancreas and regulates the amount of sugar in the body?

Which of the following is not immunised by ‘Triple Antigen’?

Decrease in white blood cells results in

The function of the liver is to

The term ‘Test Tube Baby’ implies

BCG vaccination is to be given to a new born child

Carbohydrates, proteins and vitamins which are responsible for energy, growth and vitality are obtained respectively from