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

Which of the following statements are true with reference to the sex-determination in honeybees?

A. An offspring formed from the union of a sperm and an egg, develops as a female (queen or worker).

B. An unfertilized egg develops as a male by parthenogenesis.

C. A male has half the number of chromosomes than that of a female.

D. Males produce sperms by meiosis.

E. Honeybees have a haplodiploid sex-determination system.

Choose the correct answer from the options given below :

A

A, B, C and E only

B

B, C, D and E only

C

A, B, C and D only

D

A, B, D and E only

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

Heterophyllous development in response to environment is an example of which of the following phenomena?

A

Redifferentiation

B

Elasticity

C

Dedifferentiation

D

Plasticity

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

Which of the following statements are correct regarding amino acids?

A. They are substituted methanes.

B. Serine is an aromatic amino acid.

C. Valine is a neutral amino acid.

D. Lysine is an acidic amino acid.

Choose the correct answer from the options given below:

A

C and D only

B

B and C only

C

A and C only

D

A and B only

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

"The Evil Quartet" of biodiversity loss includes which of the following?

A

Over-exploitation; Alien species invasions; Air pollution; Co-extinctions

B

Habitat loss and fragmentation; Air pollution; Water pollution; Co-extinctions

C

Habitat loss and fragmentation; over-exploitation; Alien species invasions; Co-extinctions

D

Over-exploitation; Alien species invasions; Soil pollution; Co-extinctions