NDA Biology 2011/2012 Past Questions

The mammalian organ which acts both as a digestive and as an endocrine organ is the:

The mode of nutrition in animals is

The odontoid process is found in the vertebra called:

Which of the following is not true of lateritic soils?

Which of the following statements about short sight is NOT correct?

____ is a stainable material in the nuclei of cells composed of DNA and Protein

____ is the sum total of the genes within the reproductive cells of all members of a Mendelian population

Viruses are considered to be a living organism because they:

During thunderstorms, the energy of lightning discharge causes:

Movement of an organ induced by contact with foreign body is

One of the following symptoms in maize crop would make you suspect the soil of the deficiency of magnesium

The rate of transpiration in plants can be measured using

Which of the following is NOT a characteristic feature of a wind dispersal fruit?

The solution used in the test for glucose is

The dentition of a herbivore is distinct from that of other animals due to the presence of

When testing a leaf for starch to determine whether it has carried out photosynthesis, boiling it first in water is to

___ and ___ are the two basis of organic evolution

Which of these plants is carnivorous?

The scapula and the clavicle are part of the

When the eyeball is too short, the eye defect that occurs is

The cell nature of living things was discovered by;

The meaning of AIDS is:

The dome-shaped muscle separating the thoracic region from the abdominal region in mammals is called:

Sickle-cell anaemia is a:

The term genome may simply be described as:

Blood grouping in human beings are. derived from combinations of

Examples of water-borne and sex-linked diseases are

The mutation theory of organic evolution was propounded by

Which cells in the retina of the eyes are used for vision in dim light and colourless vision?

One of the following excretes crystals of calcium oxalate in plants.

Which of the following is likely to encourage inbreeding in plants?

A tall plant crossed with a dwarf one produces offspring of which half are tall and half are dwarf, What are the genotypes of the parents?

In man, the ability to roll the tongue is a variation classified as

Darwin is considered the first scientist who correctly explained the theory of

The stem of a typical aquatic plant usually has many

The role of the male adult honey bee is to

The ability of an organism to live successfully in an environment is known as

The most important adaptation of xerophytes is the ability of the protoplasm to

A green snake in green grass is able to escape notice from predators because of its

For heterotrophic organisms, competition is least caused by the inadequacy of