Tools Techniques - Questions & Answers | Exam2Win

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171. The term cell was coined by and the cell was first seen by

A. Robert Hooke

B. Leeuwenhoek

C. Schleiden and Schwann

D. Altmann and Kolliker

Explanation:

172. Human egg has a volume larger than human sperm by

A. 100,000

B. 10,000

C. 1000

D. 100

Explanation:

173. Tissue used by Steward et al (1957) to prove cellular totipotency was

A. Pith of root

B. Pith of stem

C. Phloem of root

D. Pholem of stem

Explanation:

174. Size of Acetabularia is

A. 10 cm

B. 10 mm

C. 1.0 mm

D. 0.1 mm

Explanation:

175. Human egg is larger than human sperm because it has

A. Larger nucleus

B. More membranes

C. More cytoplasm

D. All the above

Explanation: