Biology

The part of the brain which controls and coordinates body posture is the?

A. cerebellum B. hypothalamus C. medulla oblongata D. pons varolii Correct Answer: Option A A. cerebellum

6 years ago

The process by which flowers produce fruit without the process of fertilization is called?

A. viviparity B. parthenocarpy C. propagation D. metamorphosis Correct Answer: Option B B. parthenocarpy

6 years ago

The eyes can properly focus images of objects of various distances on the retina by a process called?

A. refraction B. reflection C. accommodation D. correction Correct Answer: Option C C. accommodation

6 years ago

Which of the following processes is not an example of a reflex action?

A. Blinking of the eye B. Reading C. Beating of the heart D. Sneezing Correct Answer: Option B B. Reading

6 years ago

The passage of nerve impulse across a synapse is facilitated by the secretion of?

A. acetylcholine B. thyroxin C. insulin D. progesterone Correct Answer: Option A A. acetylcholine

6 years ago

Plant hormones include the following except?

A. insulin B. auxin C. cytokinin D. gibberellin Correct Answer: Option A A. insulin

6 years ago

Which of the following activities would revive the plant?

A. Covering the plant with dark paper to prevent further water loss from its surfaces B. Leaving the plant to…

6 years ago

The living materials of the cell consist of?

A. nucleus and cytoplasm B. cytoplasm and vacuole C. cytoplasm and cell membrane D. nucleus and cell membrane Correct Answer:…

6 years ago

Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?

A. Presence of cilia B. Absence of pseudopodia C. Presence of micro and mega nuclei D. Presence of more than…

6 years ago