Biology

The transfer of ripe pollen grains from the anther to the stigma of the same flower is termed?

A. fertilization B. self-pollination C. reproduction D. conjugation Correct Answer: Option B B. self-pollination

6 years ago

Organisms that interbreed to produce fertile offspring belong to the same?

A. class B. family C. species D. order Correct Answer: Option C C. species

6 years ago

A change in the environment of an organism is termed?

A. sensitivity B. impulse C. response D. stimulus Correct Answer: Option D D. stimulus

6 years ago

The order of evolution trend in plants is?

A. Bryophyta, Thallophyta, Pteridoiphyta and Spermatophyta B. Thallophyta Bryophyta Pteridoiphyta and Spermatophyta C. Spermatophyta, pteridophyta, Bryophyta and Thallophyta D. Bryophyta,…

6 years ago

The accepted concepts for the theory of Natural Selection does not include?

A. tendency for organisms to over produce B. struggle for existence C. survival of the fittest D. use and disuse…

6 years ago

Which of the following occurrences cannot be taken as a direct observation of natural Selection in recent times?

A. Industrial melanism in moths B. Selective breeding in cattle C. Insecticide resistance of some mosquitoes D. Development of long…

6 years ago

Which of the following statements is not true of the worker termite? They

A. Build and repair nest B. produce enzymes to digest cellulose C. search for food to feed the colony D.…

6 years ago

If red is dominant to white and homozygous red pea-plants are crossed with homozygous white pea-plants, the first filial generation will have?

A. red flowers, 2 white flowers B. 4 red flowers C. white flowers D. 4 pink flowers Correct Answer: Option…

6 years ago

The resemblance of a palatable insect to a poisonous insect is an example of?

A. a chemical deterrent to a predator B. an escape from the predator camouflage C. an escape from the predator…

6 years ago

Which of the following diseases is commonly observed in human males and is sex-linked?

A. Beriberi B. Down’s syndrome C. Sickle-cell anaemia D. colour blindness Correct Answer: Option D D. colour blindness

6 years ago