Neco Biology Past Questions and Answers

Question 61:

• NECO 2001

The tissue which carries organic food from its site of production to all other parts of the plant is called the ____________

A. Cambium
B. Epidermis
C. Phloem
D. Sclerenchyma
E. Xylem

Question 62:

• NECO 2001

Soil fertility is NOT conserved by ____________

A. Continuous cropping
B. Contour ridging
C. Crop rotation
D. Mulching
E. Terracing

Question 63:

• NECO 2001

The genotype of a species with respect to a particular trait can be determined by carrying out ____________

A. A back cross with a pure stock known to be recessive for that trait
B. A cross between two F, generations that are heterozygous for the trait
C. A testcross with a pure stock known to be dominant for the trait
D. In-breeding among the members of the species
E. Out-breeding with an exotic variety of the species

Question 64:

• NECO 2001

The vector of trypanosome is the ____________

A. Black fly
B. Cockroach
C. House –fly
D. Mosquito
E. Tsetse fly

Question 65:

• NECO 2001

Which world biomes can be found in Nigeria?

A. Afro-alpine
B. Coniferous forest
C. Dessert
D. Savannah
E. Tundra