| Question 1: If a person's blood group is AB, what would be his/her genotype? |
I^A I^B |
| Question 2: How many types of gametes would be formed if the genotype of plant is AaBbCc ? |
Eight |
| Question 3: Which of the following is not a chromosomal disorder ? |
Haemophilia |
| Question 4: In which of the following animals does sex determination depend on the number of chromosome sets? |
Honeybees |
| Question 5: Which of the following laws are based on monohybrid cross? |
both A and B |
| Question 6: Fossils are found in which type of rocks? |
sedimentary rocks |
| Question 7: Which of the following are examples of homologous organs in animals? |
Homologous organs |
| Question 8: Which of the following was more like an ape? |
Dryopithecus |
| Question 9: Which of the following enzymes allows lactose to enter the bacterial cell? |
Permease |
| Question 10: Who stated that in double stranded DNA sum of purine nitrogenous bases is equal to the sum of pyrimidine nitrogenous bases? |
Erwin Chargaff |
| Question 11: A typical nucleosome....... |
Both A and B |
| Question 12: What did Hershey and Chase conclude on the basis of their experiments? |
DNA from the virus enters the bacteria |
| Question 13: What is the process of removal of introns and mutual joining of icatic nexons called? |
splicing |
| Question 14: Which of the following statements is incorrect about the code ? |
All 64 codons code for amino acids |
| Question 15: How many mega-biodiversity countries are there in the world ? |
17 |
| Question 16: Which region got comparatively shorter span of time for species evolution and diversification due to frequent glaciation ? |
Temperate regions |
| Question 17: Which is called the lungs of the earth ? |
The Amazon Rainforest |
| Question 18: Which of the following species became extinct due to over- exploitation ? |
Passenger pigeon |
| Question 19: Which of the following is not the primary consumer ecosystem ? |
Grasshoppers |
| Question 20: How much percentage of photo-synthetically active radiation captured by plants ? |
2-10% |
| Question 22: What is the raw material for decomposition called ? |
detritus |
| Question 23: What is secondary consumer called ? |
primary carnivores |
| Question 24: What are those called which obtain energy and breaking dead organic matter or detritus ? |
detritivores |
| Question 25: Which of the following is the pollinating agent of Ophrys ? |
a species of bee |
| Question 26: Which of the following processes decreases population density ? |
Both B and C |
| Question 27: Which of the following was used to control the cactus that had been introduced in Australia ? |
moth |
| Question 28: What is lichen an example of ? |
Mutualism |
| Question 29: Which of the following is one of the most resistant organic materials known? |
Sporopollenin |
| Question 30: Which of the following cells is present in pollen grain of angiospermic plants ? |
Both A and B |
| Question 31: In which of the following seeds is perisperm not found ? |
Wheat |
| Question 32: Which of the following seeds has more than one embryo ? |
All of these |
| Question 33: What is cotyledon called in grass family ? |
Scutellum |
| Question 34: Which cell of the embryo sac becomes primary endctriple fusion ? |
central cell |
| Question 35: Which of the following plays an important role in guiding the poller tube into the synergids ? |
Filiform apparatus |
| Question 36: Which of the following cells are found in seminiferous tubules ? |
Both A and C |
| Question 37: After how many months of pregnancy does the limbs and digits of foetus develop ? |
2 months |
| Question 38: Which of. the following placental hormones is produced during pregnancy ? |
all of these |
| Question 39: In which structure of sperm are the enzymes present which help in fertilisation of the ovum ? |
Acrosome |
| Question 40: Which of the following cells is haploid ? |
Secondary oocyte |
| Question 41: What is the main role of large amount of progesterone secreted by corpus luteum ? |
maintenance of endometrium of uterus |
| Question 42: What is it called when an embryo having more than eight blastomeres is transferred to the uterus for development ? |
Intrauterine Transfer |
| Question 43: Which of the following is/are responsible for pneumonia in humans ? |
both A and C |
| Question 44: What type of organism is the pathogen responsible for malaria ? |
porotzoa |
| Question 45: Which of the following diseases is/are transmitted by insect vectors ? |
Both B and C |
| Question 46: What kind of barrier is the interferon secreted by virus infected cells ? |
cytokine barrier |
| Question 47: Which of the following cells are responsible for humoral immune response ? |
B-lymphocytes |
| Question 48: What is taken by the patient to stop graft rejection ? |
Immunosuppressant |
| Question 49: Which of the following are primary lymphoid organs ? |
bone marrow and the thymus |
| Question 50: Which of the following viruses has reverse transcripta |
HIV |
| Question 51: Which of the following drugs interferes with t dopamine ? |
Cocaine |
| Question 52: Which vitamin content increases due to conversion of curd ? |
Vitamin B12 |
| Question 53: Which of the following is the blood cholesterol lowering |
Statin |
| Question 54: which of the following pair is incorrect? |
Butyric acid - Produced by fungus |
| Question 55: Which of the following cyanobacteria fixes atmospheric nitrogen ? |
all of these |
| Question 56: With the help of what are butterfly caterpillars controlled |
Bacillus thuringiensis |
| Question 57: Who of the following scientists observed that restriction endonuclease can cut DNA strands in a particular shape ? |
Herbert Boyer |
| Question 58: Cutting DNA at a specific site is made possible by which eøzy |
Restriction endonuclease |
| Question 59: In which of the following is the large volume of culture processed to produce appreciable quantities of products ? |
bioreactor |
| Question 60: The base pillar of both strands of DNA double helix is made of |
Sugar - Phosphate - Nitrogenous base |
| Question 61: What is essential for occurrence of the same kind of 'sticky DNA fragments ? |
To cut DNA by the same restriction endonuclease |
| Question 62: During gel electrophoresis, fragments of DNA move towards which electrode ? |
Anode |
| Question 63: Which of the following is the sequence from where replication starts in cloning vector ? |
ori |
| Question 64: DNA cannot pass through cell membrane because DNA is______molecule. |
hydrophobic |
| Question 65: Themrostable DNA polymerase used in PCR is isolated from which bacteria ? |
Thermus aquaticus |
| Question 66: Why does Bt toxin protein not kill the Bacillus ? |
Bt toxin protein exists as inactive protoxins |
| Question 67: Which technique was used to prevent infection of tobacco plants from Meloidegyne incognitia tapeworm ? |
RNA interference |
| Question 68: Gene therapy was first used to remove the deficiency of which of the following enzymes ? |
Adenosine Deaminase (ADA). |
| Question 69: In 1997, an American company.... |
Semi-dwarf variety of rice |
| Question 70: Which human protein is found in milk of the first transgenic cow-Rosie ? |
Alpha lactalbumin |
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