Biology

A density-dependent factor that regulates the population size of organism is?

A. Disease B. Sudden flood C. Drought D. Fire outbreak Correct Answer: Option A - Disease

4 years ago

The response of plants to external stimuli in a non-directional manner is known as?

A. Tactic movement B. Phototropism C. Geotropism D. Nastic movement Correct Answer: Option D - Nastic movement

4 years ago

An example of a caryopsis is?

A. Guava B. Maize grain C. Coconut D. Tomato Correct Answer: Option B - Maize grain

4 years ago

Homologous pairs of chromosome separate during?

A. Cytolysis B. Cleavage C. Mitosis D. Meiosis Correct Answer: Option D - Meiosis

4 years ago

Metabolic production of urea is carried out in the?

A. urinary bladder and kidney B. Liver C. Pancreas D. Kidney and Malpighian tubule Correct Answer: Option B - Liver

4 years ago

In mammalian males, the excretory and reproductive systems share the?

A. Ureter B. vas deferen C. Urethra D. Testes Correct Answer: Option C - Urethra

4 years ago

The best method of propagating sugarcane is by?

A. Seeding sowing B. Layering C. Grafting D. Stem cuttings Correct Answer: Option D - Stem cuttings

4 years ago

The part of the mammalian digestive system where absorption of nutrient takes place is the?

A. ileum B. colon C. oesophagus D. duodenum Correct Answer: Option A - ileum

4 years ago

The dark reaction of photosynthesis involves the?

A. reduction of carbon(IV)oxide to organic B. release of oxygen and the splitting of water C. photolysis of water and…

4 years ago

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the?

A. xylem B. epidermis C. phloem D. parenchyma Correct Answer: Option A - xylem

4 years ago