question_answer 1)
Consider the following: 1. Bats 2. Bears 3. Rodents The phenomenon of hibernation can be observed in which of the above kinds of animals?
A)
1 and 2
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B)
2
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C)
I, 2 and 3
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D)
Hibernation cannot be observed in any of the above
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question_answer 2) When one gene controls two or, more different characters simultaneously, the phenomenon is called
A)
Apomixis
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B)
Pleiotropy
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C)
Polyploidy
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D)
Polyteny
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question_answer 3)
Match List-I (Scientists) with List-II (Achievements) and select the correct answer: List-I List-II A Areber and Smith 1 Developed transgenic plants with Agrobacterium T-DNA B Feldman 2 Discovered endonucleases C Mullis 3 Discovered reverse transcriptase D Termin and Baltimore 4 Discovered polymerase chain reaction
Codes:
A)
A-2, B-1, C-4, D-3
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B)
A-1, B-2, C-4, D-3
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C)
A-2, B-1, C-3, D-4
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D)
A-1, B-2, C-3, D-4
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question_answer 4)
Match List-I with List-II and select the correct answer using file codes given below the Lists: List-I (Achievement in genetics) List-II A Discovery of transduction and conjugation in bacteria 1 Khurana B Establishing sex-linked inheritance 2 Komberg C Isolation of DNA Polymerase from E. Coli 3 Morgan D Establishing the complete genetic code 4 Ochoa
Codes:
A)
A-4, B-3, C-2, D-1
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B)
A-3, B-4, C-1, D-2
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C)
A-4, B-3, C-1, D-2
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D)
A-3, B-4, C-2, D-1
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question_answer 5) 'Metastasis' is the process by which
A)
cells divide rapidly under the influence of drugs
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B)
cancer cells spread through the blood or lymphatic system to other sites of organs
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C)
the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles
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D)
cancer cells are successfully inhibited to divide any further
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question_answer 6) Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation?
A)
Complementary of the two strands
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B)
Double helix
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C)
Number of base-pairs per turn
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D)
Sugar-phosphate backbone
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question_answer 7) The cellular and molecular control of programmed cell death is known as
A)
Apoptosis
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B)
Ageing
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C)
Degeneration
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D)
Necrosis
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question_answer 8)
Match List-I with List-II and select the correct answer using the codes given below the lists: List-I List-II A Theory of Mutation 1 Beadle and Tatum B Theory of Evolution 2 Jacob and Monod C One gene one enzyme hypothesis 3 Darwin D Operon concept 4 De Vries
Codes:
A)
A-3, B-4, C-1, D-2
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B)
A-4, B-3, C-1, D-2
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C)
A-4, B-3, C-2, D-1
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D)
A-3, B-4, C-2, D-1
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question_answer 9) In the context of genetic disorders, consider the following: A woman suffers from colour blindness while her husband does not suffer from it. They have a son and a daughter. In this context, which one of the following statements is most probably correct?
A)
Both children suffer from colour blindness.
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B)
Daughter suffers from colour blindness while son does not suffer from it.
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C)
Both children do not suffer from colour blindness.
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D)
Son suffers from colour blindness while daughter does not.
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question_answer 10)
Match List-I (Diseases) with List-II (Types of disease) and select the correct answer using the codes given below the lists: List-I List-II A Haemophilia 1 Deficiency disease B Diabetes 2 Genetic disease C Rickets 3 Hormonal disorder D Ringworm 4 Fungal infection
Codes:
A)
A-2, B-3, C-4, D-1
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B)
A-2, B-3, C-1, D-4
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C)
A-3, B-2, C-1, D-4
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D)
A-3, B-2, C-4, D-1
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question_answer 11) Which one of the following genetical disease is sex-linked?
A)
Royal haemophilia
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B)
Tay-Sachs disease
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C)
Cystic fibrosis
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D)
Hypertension
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question_answer 12) Haemophilia is a genetic disorder which leads to
A)
Decrease in haemoglobin level
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B)
Rheumatic heart disease
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C)
Decrease in haemoglobin
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D)
non-clotting of blood
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question_answer 13) Which of the following is used in Genetic Engineering?
A)
Plastid
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B)
Plasmid
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C)
Mitochondria
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D)
Ribosome
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question_answer 14) Sexual reproduction causes genetic variation because of
A)
Blending of genes
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B)
Chromosomal changes
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C)
Shuffling of genes
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D)
all of the above
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question_answer 15) Which of the following is the first living cloned genetic engineered organism by human:
A)
Dolly
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B)
Herman bull
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C)
Bony
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D)
Super bug
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question_answer 16) Which one was the first successful cloned animal?
A)
Sheep
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B)
Gibbon
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C)
Rabbit
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D)
None of the above
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question_answer 17) Scientists of N.D.R.L, Kamal (Haryana) developed the second clone of which on the following animals?
A)
Sheep
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B)
Buffalo
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C)
Cow
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D)
Goat
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question_answer 18) Garima II is the name of a
A)
Cloned buffalo
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B)
Cloned cow
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C)
Cloned sheep
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D)
Bt tomato
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