Biology

Peripherals arrangement of vascular tissues in dicots is a characteristic of the internal structure of the?

A. leaf B. petiole C. stem D. root Correct Answer: Option C - stem

4 years ago

In which part of the human body does the secretion of the growth hormone occur?

A. Head region B. Waist region C. Neck region D. Gonads Correct Answer: Option A - Head region Explanation Growth…

4 years ago

In which part of the human body does the secretion of the growth hormone occur?

A. Head region B. Waist region C. Neck region D. Gonads Correct Answer: Option A - Head region

4 years ago

The order in which organic evolution has progressed in plants is?

A. thallophyta, schizophyta, bryophyta, pteridophyta and spermatophyta B. schizophyta, thallophyta, bryophyta, pteridophyta and spermatophyta C. pteridophyta, spermatophyta, thallophyta, schizophyta and…

4 years ago

A characteristic of vertebrates that is unique to mammals is?

A. the presence of pentadctyl limbs B. parental care C. the possession of scrotum D. pulmonary circulation Correct Answer: Option…

4 years ago

Coelom is absent in the class of animals termed?

A. mollusca B. reptilia C. arthropoda D. coelenterata Correct Answer: Option D - coelenterata

4 years ago

The most recently evolved structure in animals is the?

A. hair B. cilium C. scale D. feather Correct Answer: Option A - hair

4 years ago

The set of fins that control steering, balancing and change of direction and pitch in fish is?

A. dorsal and anal B. pectoral and pelvics C. caudal and dorsal D. anal and pelvics Correct Answer: Option B…

4 years ago

Which of the following features are all associated with monocots?

A. Fibrous root system, branched network of veins and one seed leaf B. Fibrous root system, two seed leaves and…

4 years ago

For heterotrophic organisms, competition is least caused by the inadequacy of?

A. mates B. space C. light D. nutrients Correct Answer: Option C - light

4 years ago
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