NDA Biology 2017/2018 Past Questions

The two important physical processes involved in the absorption and transportation of materials in plants are

The process by which plants manufacture food from carbon dioxide and water, using energy from the sun is termed.

Which of the following is an advantage of dispersal of fruits and seeds? It allows

Euglena may be classified as a plant because it

The movement of a substance against a concentration gradient is known as

The rate of transpiration in plants can be measured using

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

Which of these plants is carnivorous?

When spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell becomes

Water and salt are both lost from the human body in

Which of the following features could be used to determine the growth of a seedling?

A farmer X working in a swamp did not eat any food nor drink any water. Which of these diseases can he NOT contact?

The movement of molecules from a region of higher concentration to one of lower concentration is known as

A Secchi disc is used in the determination of

The complex relationship between the members of a community and between the community as a whole and its physical environment is known as

Pollination is best described as

Plants receive their nutrients mainly from

Bacteria inhabiting legume root nodules which adds atmospheric nitrogen to the soil are referred to as_____

Photosynthesis takes place faster in the presence of

Plants that grow in saline water are called

____ involves the chemical activities of the cells in which glucose is broken by a series of reactions controlled by enzymes to release energy.

Which of the vertebrae provide attachment for abdominal muscles?

The male and female reproductive systems are similar in the following ways except that both

The first step towards the breakdown of glucose is called

Which of these types of skeleton is most appropriate for the cockroach?

Conjugation in paramecium is for ___.

Which of the following substances is NOT an excretory product in mammals?

An organism which maintains a constant temperature irrespective of environmental temperature fluctuation is

The central nervous system in humans is made up of

The four elements that form the 99% of the protoplasm are

The heartbeat occurs in ____ and ____ stages.

Which of the options below is not a compatible blood type?

The series of gradual changes of forms and shape of an insect from the fertilized egg to adult is known as

The following are the main types of vertebrae in human being except

When proteins are broken down, they also provide

According to Mendel's first law of inheritance, segregation of genes occur when

A sugar solution was boiled with Fehling's solution A and B and the colour remained blue. The sugar tested was

What is the Nucleic acid that carries the inherited traits?

Number of chromosomes in Down's syndrome is

Threadlike structures in a cell nucleus that carry the genetic information in the form of genes are referred to as