NDA Biology 2019/2020 Past Questions

If the petals of a flowering plant are removed, which of the following processes is likely to be effected

Which of these substance is likely to be deficient in the diet of a person having goiter?

Banana, plantain and pineapple can be grouped together because they

The structure in the cell that controls movement of substances in and out of the cell is the

Which of the following statements is not true of osmotic process?

Every mammal has

The enzyme that curdles milk is ............

Which is the enzyme that begins digestion of starch in the mouth?

A group of interacting populations in a particular habitat can be described as

A habitat can be defined as

Meiotic cell division ensures that

The stem of young herbaceous plants are kept upright mainly by

Which of the following tissues is not found in the stem and root of monocotyledons?

Fruit enlargement can be induced by spraying young ovary with

A dry, indehiscent, winged fruit formed from one carpel is known as

The chromosomes of members of the kingdom Monera are within the

The process of shedding the exoskeleton of an arthropod is known as

An accurate identification of a rapist can be carried out by conducting a

Which of the following is true of cloning?

A water medium is necessary for fertilization in

on what part of the tongue do we perceive salty taste

maintenance of homeostasis in mammals is a function of all the following EXCEPT

biotechnology has helped to produce plants and animals of these desirable features, EXCEPT

insects which undergo complete metamorphosis are those that

the type of storage organ found in ginger is called

The two types of human tapeworm can be distinguished by the presence or absence of

The rate of transportation of a leafy shoot would be highest under

Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

Which of the following is NOT a function of the liver?

What is the function of the contractile vacuole in paramecium?

The medium in which dissolved nutrient are transported in the body of vertebrates is called

Which of the following structures of the leaf contains air?

Which of the following organs is specially adapted for gaseous exchange in aquatic organism?

In bird, the following possess after shaft

The nutritive layer of the eye in mammals is

............... is not a major air pollutant

Which of the following is not a function of a tongue

The most direct product of meiosis in a plant is

Which of the following vertebrate undergo external fertilization?

Human somatic cells are made up of X and Y chromosome. However chromosome is found in