NEET BIOLOGY QUESTION PAPER

1. Name the hormone that has no role in menstruation.
(A) LH
(B) FSH
(C) GH
(D) TSH
Answer: (C) GH
2. Name the following having oxygen storing capacity
(A) Myoglobin
(B) Prophase II
(C) Anaphase I
(D) Metaphase II
Answer:(A) Myoglobin
3. Movement of tongue muscle is controlled by
(A) facial nerve
(B) trigeminal nerve
(C) hypoglossal nerve
(D) vagus nerve

Answer: (C) hypoglossal nerve
 4. Pick the mammal with true placenta
(A) Kangaroo
(B) Mongoose
(C) Platypus
(D) Echidna
Answer: (B) Mongoose
5. Most of the endangered species are the victims of
(A) Habitat destruction
(B) Over-hunting
(C) Acid rain
(D) Competition with introduced species
Answer: (A) Habitat destruction
6. Bovine spongiform encephalopathy is a disease caused by prions in a _______.
(A) cow
(B) sheep
(C) man
(D) potato
Answer: (A) cow
7. Blood stains are found at the site of a murder. lf DNA profiling technique is to be used for identifying the criminal, which of the following is ideal for use?
(A) Erythrocytes
(B) Leucocytes
(C) Platelets
(D) Serum
Answer:(B) Leucocytes
8. BT brinjal is an example of transgenic crops. In this, BT refers to
(A) Bacillus tuberculosis
(B) Biotechnology
(C) Betacarotene
(D) Bacillus thuringiensis
Answer: (D) Bacillus thuringiensis
 9. BY the statement ‘survival of the fittest’, Darwin meant that ________.
(A) The strongest of all species survives
(B) The most intelligent of the species survives
(C) The cleverest of the species survives
(D) The most adaptable of the species to changes survives
Answer: (D) The most adaptable of the species to changes survives
10. Casparian strips are present in the ________ of the root.
(A) epiblema
(B) endodermis
(C) perycycle
(D) cortex
Answer: (B) endodermis

11. Populations are said to be sympatric when _______.
(A) two populations are physically isolated by natural barriers.
(B) two populations live together and freely interbreed to produce sterile offspring.
(C) two populations share the same environment but cannot interbreed.
(D) two populations are isolated but occassionally come together to interbreed.
Answer: (C) two populations share the same environment but cannot interbreed.

12. Populations are said to be allopatric when ________.
(A) they are physically isolated by natural barriers
(B) they live together and breed freely to produce viable offspring
(C) they are isolated but often come together for breeding
(D) none of the above
Answer: (A) they are physically isolated by natural barriers
13.Polyploid derived from two different species is called
(A) Autopolyploid
(B) Triploid
(C) Allopolyploid
(D) Monoploid
Answer: (C) Allopolyploid
14. Pollen grains of a plant whose 2n = 28 are cultured to get callus by tissue culture method. What would be the number of chromosomes in the cells of the callus?
(A) 21
(B) I4
(C) 56
(D) 28
Answer: (B) I4
15. Pinus belongs to the class ________.
(A) Gentopsida
(B) Cycadopsida
(C) Coniferopsida
(D) Sphenopsida
Answer: (C) Coniferopsida
16. Pieces of plant tissue used in tissue culture is called
(A) Explant
(B) Somaclone
(C) Inoculant
(D) Clone
Answer: (A) Explant
17. Palaeontologists unearthed a human skull during excavation. A small fragment of the scalp tissue was still attached to it. Only little DNA could be extracted from it. lf the genes of the ancient man need to be analysed, the best way of getting sufficient amount of DNA from this extract is
(A) Treating the DNA with restriction endonucleases
(B) Subjecting the DNA to gel electrophoresis
(C) Subjecting the DNA to polymerase chain reaction
(D) Hybridising the DNA with a DNA probe
Answer:(C) Subjecting the DNA to polymerase chain reaction
18. Ovule integument gets transformed into
(A) seed
(B) fruit wall
(C) seed coat
(D) cotyledons
Answer:(C) seed coat
19. Osteomalacia is a deficiency disease of
(A) Adults due to Vitamin D deficiency
(B) Adults due ot protein energy malnutrition
(C) Infants due to protein energy malnutrition
(D) Infants due to Vitamin K deficiency
Answer: (A) Adults due to Vitamin D deficiency
20. Nosema bombycis which causes pebrine in silk worms is a
(A) Virus
(B) Protozoan
(C) Bacterium
(D) Fungus
Answer: (B) Protozoan