Biology

In vascular plants, the sieve tubes and companion cells are present in the?

A. cambium B. cortex C. xylem D. phloem Correct Answer: Option D - phloem

5 years ago

A circulatory system is very essential in mammals but not in smaller organisms like Amoeba because?

A. Amoeba lives in freshwater B. Diffusion is sufficient to transport materials in Amoeba C. Amoeba lacks blood containing haemoglobin…

5 years ago

i 2/1, c 0/0, p 3/2, m 3/3. The general formula above represent that of?

A. an omnivore B. a detritus feeder C. a carnivore D. a herbivore Correct Answer: Option D - a herbivore

5 years ago

Which of the following is an aboreal organism?

A. Elephant B. Fish C. Antelope D. Bird Correct Answer: Option D - Bird

5 years ago

Seed plants are the most dominant vegetation on land because of?

A. their motile gamates B. their ability to photosynthesize C. efficient seed dispersal D. availability of water Correct Answer: Option…

5 years ago

In bryophytes, sex organs are produced in the?

A. protonema B. sporophyte C. gametophyte D. rhizoid Correct Answer: Option C - sporophyte

5 years ago

Which of the following organisms is multicellular?

A. Chlamydomonas B. Spirogyra C. Amoeba D. Euglena Correct Answer: Option B - Spirogyra Explanation A spirogyra is a multi-cellular…

5 years ago

Which of the following is the most complex according to their cellular level of organization?

A. Heart B. Hair C. Euglena D. Hydra Correct Answer: Option A - Heart

5 years ago

The lowest level of organization in living organisms is?

A. organ B. cell C. system D. tissue Correct Answer: Option B - cell

5 years ago

Enzyme ptyalin acts on starch in the?

A. oesophagus B. large intestine C. mouth D. stomach Correct Answer: Option C - mouth Explanation Options A and B…

5 years ago