Biology

Which of the following represents the correct sequence, from the most complex of organisations?

A. Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone B. Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit C. Alimentary canal, Neurone,…

6 years ago

Which of the following depicts the external features of a rat as mammal?

A. Long intestine and tail B. Diaphragm and lungs C. Milk and sweat production D. Fur and whisker Correct Answer:…

6 years ago

Animal cells are different from plant cells because animal cells have?

A. definite cell wall B. large vacuole C. centrioles D. Chloroplast Correct Answer: Option C C. centrioles

6 years ago

Which part of the plant cell contains cellulose?

A. Vacuole B. Cytoplasm C. Cell wall D. Chloroplast Correct Answer: Option C B. Cytoplasm  

6 years ago

Which of the following organism has both plant and animal-like features?

A. Paramecium B. Euglena C. Amoeba D. Spirogyra Correct Answer: Option B B. Euglena

6 years ago

Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of

A. a cell wall and a cytoplasm B. a vacuole and a nucleus C. non-cell membrane and chloroplast D. a…

6 years ago

In natural selection, Darwin proposed that evolution occurred because of the following conditions except?

A. food and other needs are abundant B. there is a fierce competition among the offsprings C. That the weaker…

6 years ago

Which of the following is not a behavioural adaptation used by social animals?

A. Cryptic B. Mimicry C. Flash D. Season Correct Answer: Option D D. Season

6 years ago

Sickle-cell anaemia has persisted in the human race due to?

A. lack of proper medical care for sicklers B. carriers being more resistant to malaria C. mosquito vectors D. wildlife…

6 years ago

In Mendel’s experiments, it was discovered that the skin of an African can be attributed to?

A. a blending of black and white genes B. recombination of genes C. loss of the epidermis D. mutation in…

6 years ago