Biology

What is the percentage of occurrence of Imperata spp?

The number of plants species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomea…

4 years ago

Salts and water are absorbed in the roots and transported to leaves by?

A. diffusion through the xylem tissues B. osmosis through the phloem tissues C. diffusion through the phloem tissues D. osmosis…

4 years ago

When specimen X is mixed with few drops of iodine solution, the appearance of a blue-black colour confirms that X is?

A. galactose B. starch C. sucrose D. glucose Correct Answer: Option B - starch

4 years ago

The part labelled II is the diagram below is?

A. fenestra ovalis B. middle ear canal C. internal auditrory meatus D. ear ossicles Correct Answer: Option D - ear…

4 years ago

The veins of the leaf are formed by the?

A. vascular bundles B. cambium cells C. palisade tissue D. spongy mesophyll Correct Answer: Option A - vascular bundles

4 years ago

The transportation of oxygen and carbon (IV) oxide in mammals is carried out by?

A. leucocytes B. thrombocytes C. phagocytes D. erythrocytes Correct Answer: Option D - erythrocytes

4 years ago

When yeast respire anaerobically, it converts simple sugar to carbon (IV) oxide and?

A. oxygen B. acid C. alcohol D. water Correct Answer: Option C - alcohol

4 years ago

The enzyme invertase will hydrolyze sucrose to give?

A. maltose and glucose B. glycerol and fatty acid C. glucose and fructose D. mannose and galactose Correct Answer: Option…

4 years ago

A seedling grown in the dark is likely to be?

A. etiolated B. dormant C. sturdy D. stunted Correct Answer: Option A - etiolated

4 years ago

The gas produced during tissue respiration can be identified by using?

A. calcium hydroxide B. copper sulphate C. calcium carbonate D. sodium hydroxide Correct Answer: Option A - calcium hydroxide

4 years ago