UNN Biology 2017/2018 DAY 2 Past Questions

The study of the organism and the environment of an abandoned farmland is the ecology of

All the sons of a colour-blind woman will be colour blind regardless of the state of the father because

In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called

An onion bulb stores its food in the

Which one of the following is never a secondary host of tapeworm?

The response of plant parts to contact or touch is termed?

In man, identical twins occur when

If a child can receive blood from all donors, he belongs to the blood group

Which of the following group of factors is completely abiotic?

Erosion can be reduced along a slope by

Water retention is highest in soils which are rich

In an ecosystem, animals which feed directly on plant are called

Which of the following ecological factors are common to both terrestrial and aquatic habitats?

After 30 minutes, the level of sugar solution in the above figure will

Haemophilia results from the mutation of the genes