In the following diagram what do A and B indicate?

(a)

SER, Mitochondria

(b)

Ribosome, Mitochondria

(c)

Mitochondria, Golgi apparatus

(d)

RER, Mitochondria

Mention the type of chromosome in the given diagram

(a)

Metacentric

(b)

Sub-Metacentric

(c)

Acrocentric

(d)

Telocentric

What do A and B indicate in the given diagram.

(a)

Nucleolus, Nuclear membrance

(b)

Nucleolus, Chromatin

(c)

Nucleolus, Nucleoplasm

(d)

Chromosome, Nuclear membrane

Polytene chromosome in the salivary glands of drosophila was first observed by ___________

(a)

Flemming

(b)

CiG. Balbiani

(c)

Harry Beevers

(d)

A. Kolliker

__________________________compiled his work as Micrographia.

(a)

Aristotle

(b)

Robert Hooke

(c)

Antonie von Leeuwenhoek

(d)

Robert Brown