NEET Biology 2017 Questions and Answers (1 -10)

1. Double fertilization in exhibited by :
1) Gynmosperms
2) Algae
3) fungi
4) angiosperms

2. Which of the following are found in extreme saline conditions ?
1)Archaebacteria
2) Eubacteria
3) Cyanobacteria
4) Mycobacteria

3.Select the mismatch :
1) Frankia - Alnus
2) Rhodospiillum – Mycorrhiza
3) Anabaena - Nitrogen fixer
4) Rhizobium – Allalfa

4.  What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis ?
1) The larger the fragment size, the farther it moves
2)The smaller the fragment size, the farther it moves
3) Positively charged fragments move to farther end
4) Negatively charged fragments do not move

5. Attractants and rewards are required for
1) anemophily
2) entomophily
3) hydrophily
4) cleistogamy

6. Which of the following is made up of dead cells ?
1) Xylem parenchyma
2) Collenchyma
3)Phellem
4) Phloem

7. Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyrne ?
1) Argentaffin cells
2) Paneth cells
3) Zymogen cells
4) Kupffer cells

8. Adult human RBCs are enucleale. Whit h of the following statement(s) is/are most appropriate explanation for this feature ?
(a) They do not need to reproduce
(b) They ate somatic cells
(c) They do not metabolize 
(d) All their internal space is available for oxygen transport
Options: .
1) only (d)
2) only (a)
3) (a), (c) and (d)
4) (b) and (c)

9. The hepatic portal vein drains blood to liver from
1) Heart
2) Stomach
3) Kidneys
4) Intestine

10. The final proof for DNA as the genetic material can from the experiments of :
1) Griffith
2)Hershey and Chase
3) Avery, Mcleod and McCarty
4) Hargobind Khorana
Answers:



NEET Biology 2017 Questions and Answers
1. 4) angiosperms
2. 1)Archaebacteria
3. 2) Rhodospiillum – Mycorrhiza
4. 2)The smaller the fragment size, the farther it moves
5. 2) entomophily
6. 3)Phellem
7. 1) Argentaffin cells
8. 1) only (d)
9. 4) Intestine
10. 2)Hershey and Chase

.

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