16.

Most highly intelligent mammals are
A. whales B. dolphins
C. elephants D. kangaroos
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
17.

Plant development is influenced by
A. quality of light only B. quality and quantity of light
C. quality and duration of light D. quality, quantity and duration of light
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
18.

Prokaryotic cells lack
A. nucleolus B. nuclear membrane
C. membrane bound by organelles D. All of these
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
19.

Photosynthesis takes place faster in
A. yellow light B. white light
C. red light D. darkness
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.
20.

Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
A. Robert Hooke B. Robert Brown
C. Rudolf Virchow D. Theodore Schwann
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.