Biology

Which of these factors does not contribute towards the ascent of water in plants?

A. Root pressure B. Capillarity C. Transpiration pull D. Turgor pressure Correct Answer: Option D D. Turgor pressure

6 years ago

Which of the following heart structures is best adapted to cope with double circulation?

A. One auricle and one ventricle B. Two auricles and one ventricle C. Two auricles and partially divided ventricle D.…

6 years ago

Support in young herbaceous plants is provided by?

A. translocation B. guttation C. turgidity D. osmosis Correct Answer: Option C C. turgidity

6 years ago

The aspects of growth in living organisms include all the following processes except?

A. increase in dry weight B. reversible increase in size C. irreversible increase in length D. increase in number of…

6 years ago

Which of the following processes does not contribute towards growth?

A. Cell division B. Cell enlargement C. Cell differentiation D. Cell plasmolysis Correct Answer: Option D D. Cell plasmolysis

6 years ago

Which of the following environmental conditions is ideal for plant cells to remain turgid?

A. Hot, dry weather B. Windy weather C. Cold, dry weather D. Cool, humid weather Correct Answer: Option D D.…

6 years ago

During the process of osmosis a semi-permeable membrane allows?

A. only solute molecules to pass through it B. both solute and solvent molecules to pass through it C. only…

6 years ago

The physical process which occurs when a red blood cell is placed in distilled water causing it to burst and break down is known as?

A. crenation B. plasmolysis C. turgidity D. haemolysis Correct Answer: Option D D. haemolysis

6 years ago

The folded portion of mitochondrion is called?

A. cristae B. cell membrane C. nucleolus D. partition Correct Answer: Option A A. cristae

6 years ago

Which of the following parts of a cell is not an organelle?

A. Food vacuole B. Mitochondrion C. Cell wall D. Nucleus Correct Answer: Option A A. Food vacuole

6 years ago