NEET MCQ Biology

NEET Biology MCQs - Part 1- 2021

NEET 2021 is around the corner and last minute preparations are going strong. This is the first part of 10 MCQs with Answers for revision to help you with NEET Biology Portions. Check them and be prepared for the exam. Talentspire provides NEET Training from the fundamental levels.

  1. The net electric charge on DNA and histones is
    (a) both positive
    (b) both negative
    (c) negative and positive, respectively
    (d) zero.

2. The first genetic material could be
(a) Protein
(b) Carbohydrates
(c) DNA
(d) RNA

3. DNA replication takes place at _________ phase of the cell
cyle.
(a) G1
(b) S
(c) G2
(d) M

4. Polycistronic messenger RNA (mRNA) usually occurs in
(a) bacteria
(b) prokaryotes
(c) eukaryotes
(d) both (a) and (b)

5. UTRs are the untranslated regions present on
(a) rRNA
(b) hnRNA
(c) mRNA
(d) hnRNA.

6. In a nucleotide, the nitrogen base is joined to the sugar molecule by
(a) Phosphodiester bond
(b) Glycosidic Bond
(c) Hydrogen Bond
(d) (a) & (b)

7. Wobble position means:
(a) Base paring
(b) altered base on code
(c) third altered base on codon
(d) none of the above

8.Hershey and Chase experiment proving DNA as the genetic material was based on the principle:
(a)Transformation
(b)Transduction
(c)Transcription
(d)Translation

9. Enzyme which can break and seal the DNA strand
(a) Topoisomerase
(b) Helicase
(c) Primase
(d) Restriction endonuclease

10. The stretch of codons between AUG and a stop codon is called
(a) Degenerate
(b) TATA box
(c) collinearity
(d) Open Reading Frame

Answers: 1. (c)  2. (d)  3. (b)  4. (d)  5. (c) 6. (b)  7. (a)  8. (b)  9. (a) 10. (d)