Biology

In the root vascular system, the stele is directly surrounded by the?

A. pericycle B. cortex C. endodermis D. parenchyma Correct Answer: Option A - pericycle

4 years ago

The main function of the caudal fin in Tilapia is to?

A. propel it forward in water B. steer it while changing direction C. balance it in water D. enable it…

4 years ago

The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the?

A. collar bones and coccyx B. pectoral and pelvic girdles C. scapulae and clavicles D. vertebrae and sternum Correct Answer:…

4 years ago

The blackfly is a vector of?

A. malaria B. trypanosomiasis C. onchocerciasis D. yellow fever Correct Answer: Option C - onchocerciasis

4 years ago

In the diagram, the association illustrated demonstrates?

A. parasitism B. commensalism C. saprophytism D. mutualism Correct Answer: Option D - mutualism

4 years ago

In the diagram, the importance of the association to the fungus is that it obtains?

A. a partner for reproduction B. anchorage from the algae C. oxygen and carbohydrates from the algae D. water and…

4 years ago

In the diagram, the structures used for offense and defense are labelled?

A. i and iv B. i and ii C. ii and iii D. iii and iv Correct Answer: Option B…

4 years ago

The stage in the life history of a moth responsible for the destruction of agricultural crops is the?

A. nymph B. imago C. pupa D. caterpillar Correct Answer: Option D - caterpillar

4 years ago

The order of evolutionary advancement to the below vertebrates is?

I. Rattus rattus II. Agama agama III. Bufo regularis IV. Tilipia zilli   A. I, II, III, IV B. I,…

4 years ago

The leech and the earthworm belong to the?

A. mollusces B. crustaceans C. arachnids D. annelides Correct Answer: Option D - annelides

4 years ago