Biology

Which of the following best describes the homologous chromosomes? They are

A. a product of the division of a chromosome B. two identical chromosomes from each parent C. chromosomes arranged on…

6 years ago

Which of the following is not a constituent of DNA?

A. Purine B. Phosphate C. Cystocine D. Deoxyribose E. Uracil Correct Answer: Option E - Uracil

6 years ago

Which of the following major ideas were proved by Gregor Mendel?

A. There is a tendency among organisms `to increase rapidly in number if conditions are favourable B. There is a…

6 years ago

During blood transfusion, agglutination may occur as a result of the reaction between?

A. similar antigens and antibodies B. contrasting antigens and antibodies C. two different antigens D. two different antibodies E. white…

6 years ago

Which of the following .is not part of the objectives of conservation of natural resources?

A. To eliminate wild animals in order to enable other plants and animals survive B. To use our resources on…

6 years ago

Which of the following steps would not be taken to protect or conserve fishing grounds from over-exploitation?

A. Use of nets with all sizes of mesh B. Use of nets with a particular mesh size C. Ban…

6 years ago

A constituent of the exhaust gases of motor vehicles which causes serious air pollution is?

A. water vapour B. carbondioxide C. carbon monoxide D. oxygen E. ozone Correct Answer: Option C - carbon monoxide

6 years ago

The vector of the malarial parasite is the?

A. male Anopheles B. female Culex C. male Culex D. female Anopheles E. female Aedes Correct Answer: Option D -…

6 years ago

Which of the following are not causative organisms of plant diseases?

A. Fungi B. Viruses C. Bacteria D. Nematodes E. Cercariae Correct Answer: Option E - Cercariae

6 years ago