Explore topic-wise MCQs in Biology.

The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____

13 - Chambered heart occurs in

When during the Cell Cycle are Chromosomes visible?

Bone deformities occur due to the excess intake of

The rate of heartbeat is accelerated by the hormone

Only male frog produce croacking sound because ____

Number of eyes found in Earthworm..........

The enzyme that is necessary to bring about clotting of blood is

Vivipary is defined as germination

Which of the following is an Autoimmune disease?

Who is known as father of Zoology

The human heart is

During rainy season wooden doors are difficult to open or closure because of ?

The seeds of flowering plants are made up of-

A dried flower bud which is used as spice is obtained from-

Which one of the following viruses contains both DNA and RNA?

A tumor enclosed within a capsule is termed

Which of the following is a pair of viral diseases?

Fruit of which of the following plant is found underground soil-

Seed developed from-

In an area where DDT had been used extensively, the population of birds declined significantly because

What is the correct order for Respiration?

The fleshy thalamus is edible in-

Phycology is the branch of botany in which we study about

Which statement best describes Arteries?

Nitrogen fixing bacteria is useful in growing which crop ________

Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led t

Bark of which tree is used as a concliment-

At which stage of HIV infection does one usually show symptoms of AIDS?

When the bark of a tree is removed in a circular fashion all around near its base it gradually dries up and dies because-

Which one of the following pair is not correctly matched-

Which one of the following plant is preferred for mixed cropping in order to enhance the bioavailability of nitrogen?

The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

The genetic material in virus is

Why do you feel cool under a tree but not so under a tin shed on a sunny day?

Cancer cells are damaged by radiations while others are not because cancer cells are

Gametophytes of sexually reproducing flowering plants are-

In plant which one of the following tissues is dead?

The major of the following principles does a rocket work?

Vegetative propagation by stem cutting is generally foundation-

The tobacco mosaic virus (TMV) is approximately ___ in size.

Which one of the following is a protein fiber?

Which of the following plant only produce seed but not fruit?

Which one of the following is a insectivorous plant-

Virus multiplies in

Starch is an example of-

Carcinoma refers to

A fertilized egg is known as-

A baby has been born with a small tail. It is the case exhibiting

The incubation period of Hepatitis 'B' virus is: