Tools Techniques - Questions & Answers | Exam2Win

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181. Jute fibres have a length of

A. 30 – 40 mm

B. 300 – 400 μm

C. 30 – 90 cm

D. 3 – 9 m

Explanation:

182. One of the following is anucleate

A. Sieve tube

B. Companion cell

C. Medullary ray

D. All the above

Explanation:

183. Cellular totipotency means

A. Synthesis of new cells

B. Formation of new species

C. Formation of new plants

D. Capability of a plant cell of form complete plant

Explanation:

184. The suffix S in ribosome unit indicates

A. Sedimentation coefficient

B. Solubility

C. Surface area

D. Size

Explanation:

185. Protoplasm is

A. Nonliving matter

B. Bearer of hereditary characters

C. Living matter without function

D. Physical basis of life

Explanation: