The scientist who propounded the theory of inheritance of acquired characters via use and disuse was

A. August Weismann

B. Charles Darwin

C. Gregory Mendel

D. Jean Lamarck

E. Thomas Morgan

Which plant hormone inhibits the development of lateral buds in plants

A. Abscisic acid

B. Auxins

C. Cytokinins

D. Florigen

E. gberelIins

The movement of food in soluble form within the vascular bundles to all parts of the plant is known as

A. Diffusion

B. Evaporation

C. Transportation

D. Translocation

E. Transpiration

The first bone of the vertebral column located in the neck region is called

A. Atlas

B. Axis

C. Caudal.

D. Cervical.

E. Thoracic

A cell that is capable of self existence is a/an

A. Amoeba

B. Human cheek cell

C. Onion epidermal cell

D. ovum

E. spermatozoom

Which caste is NOT found in termites?

A. Drone

B. King

C. Queen

D. Soldier

E. Worker

The number of individuals of a species per unit area of the habitat can be best described as

A. Distribution

B. Frequency

C. Percentage cover

D. Population size

E. Population density

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

Soil fertility is NOT conserved by

A. continuous cropping

B. contour ridging

C. Crop rotation

D. Mulching

E. Terracing

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