NEET · Biology · STD 11 - 10. Cell cycle and cell division

In which animal do haploid cells divide mitotically to produce gametes ?

A Male honeybees
B Male earthworms
C Male frogs
D Male grasshoppers

Verified Solution

Answer & Solution

Correct Answer

(A) Male honeybees

Step-by-step Solution

Detailed explanation

(A)Male honeybees
Male honeybees (drones) are haploid organisms that develop parthenogenetically from unfertilized eggs.
Since their body cells are already haploid, they cannot undergo meiosis to produce gametes. Instead, they produce sperm cells through mitotic division.
Earthworms, frogs, and grasshoppers are diploid organisms and produce gametes through meiosis.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

Same subject

A selectable marker is used to

NEET 2019 Medium

Match the following columns and select the correct option.

Column \(- I\)	Column \(- II\)
\((a)\) Eosinophils	\((i)\) Immune response
\((b)\) Basophils	\((ii)\) Phagocytosis
\((c)\) Neutrophils	\((iii)\) Release histaminase, destructive enzymes
\((d)\) Lymphocytes	\((iv)\) Release granules containing histamine

\((a)\quad(b)\quad(c)\quad(d)\)

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