1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements are not true regarding restriction endonucleases?

A. They are called molecular scissors.

B. These are the enzymes responsible for restricting the growth of bacteriophages in E. coli.

C. They cut the DNA only at the centre of the palindromic sites.

D. They remove nucleotides only from the ends of DNA fragments.

E. They recognise specific palindromic base-pair sequences.

Choose the answer from the options given below :

A

A and B only

B

A and E only

C

D and E only

D

C and D only

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

In racemose inflorescence, $\_\_\_\_$ .

A

The main axis terminates in a flower

B

Flowers are solitary

C

The growth is limited

D

Flowers are borne in an acropetal succession

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Arrange the following in the correct developmental sequence related to microsporogenesis :

A. Microspore tetrads

B. Sporogenous tissue

C. Pollen grains

D. Pollen mother cells

Choose the correct answer from the options given below :

A

$\mathrm{D}, \mathrm{A}, \mathrm{C}, \mathrm{B}$

B

$\mathrm{B}, \mathrm{D}, \mathrm{A}, \mathrm{C}$

C

$\mathrm{B}, \mathrm{D}, \mathrm{C}, \mathrm{A}$

D

$\mathrm{A}, \mathrm{D}, \mathrm{C}, \mathrm{B}$

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the correct statements about biomolecules.

A. Lipids are generally water soluble.

B. Proteins are polypeptides.

C. Polysaccharides are long chains of sugars.

D. Adenine and guanine are substituted pyrimidines.

E. Almost all enzymes are proteins.

Choose the correct answer from the options given below :

A

B, D and E only

B

B, C and E only

C

A, B and C only

D

C, D and E only