Q.1.
What carries blood away from the heart?

Explanation

Q.2.
It is an oxygen carrying protein of red colour concentrated in red blood cells.

Explanation

Q.3.
Which blood group is a universal recipient?

Explanation

Q.4.
Which statement about capillaries is correct?

Explanation

Q.5.
The grouping of blood is based on substances called

Explanation

Q.6.
What is the average Life span of RBC?

Explanation

Q.7.
Red blood corpuscles is also known as

Explanation

Q.8.
Blood group which have no antigen

Explanation

Q.9.
Blood is red in colour due to the presence of ________

Explanation

Q.10.
Life of red blood cells in the body is

Explanation

Q.11.
Fully mature human RBCs has

Explanation

Q.12.
Which of the following blood group is universal donor?

Explanation

Q.13.
An individual whose blood type is B may in an emergency, donate blood to a person whose blood type is

Explanation

Q.14.
Which of the following carries oxygen to various parts of human body?

Explanation

Q.15.
Hemoglobin, the oxygen carrying substance in red blood cells, is a

Explanation

Q.16.
What carries blood back to the heart?

Explanation

Q.17.
The smallest blood vessels which are one-cell thick, are called ________

Explanation

Q.18.
In plants cells,which structure provides a definite shape to the cell and makes it right?

Explanation

Q.19.
Produces a usable form of energy for the cell

Explanation

Q.20.
Reflex actions are controlled by :

Explanation

Q.21.
Which one of the following is not an insect:

Explanation

Q.22.
The largest artery in human body is

Explanation

Q.23.
Number of chamber found in human heart is

Explanation

Q.24.
Pollen grains in plants are produced in

Explanation

Q.25.
Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

Explanation

Q.26.
The horizonatally growing hyphae of Rhizopus are called

Explanation

Q.27.
Which blood group is universal acceptor?

Explanation

Q.28.
The normal blood pressure in human beings is

Explanation

Q.29.
The upper chambers of the heart are the

Explanation

Q.30.
Human heart is made up of

Explanation

Q.31.
Antigens 'A' and 'B' are absent in persons belong to blood group

Explanation

Q.32.
Instrument used to measure blood pressure is

Explanation

Q.33.
Lymph carries digested and absorbed fat from ________ .

Explanation

Q.34.
Name the blood cells in which nucleus is absent.

Explanation

Q.35.
Which among the following is also called as 'power house of the cell'?

Explanation

Q.36.
Volume of blood found in a healthy person is

Explanation

Q.37.
Which cell organelles are involved in photosynthesis?

Explanation

Q.38.
It consists of an aqueous ground substance containing a variety of cell organelles and other inclusions such as wastes and storage products.

Explanation

Q.39.
Blood pressure is the pressure exerted on the wall of

Explanation

Q.40.
Ptyalin is an enzyme produced in the

Explanation

Q.41.
Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes

Explanation

Q.42.
Which one of the following scientists first time saw bacteria through a microscope made by himself ?

Explanation

Q.43.
The unicellular algae used to supply and regulate the oxygen in space programmes is

Explanation

Q.44.
One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?

Explanation

Q.45.
Plants that grow under average temperature and moisture are called:

Explanation

Q.46.
Mycology is the branch of botany in which we study about

Explanation

Q.47.
Mycology is the branch of botany in which we study about
Q.48.
Kelps are obtained from

Explanation

Q.49.
Blue green algae possess chlorophlyll along with a pigment known as

Explanation

Q.50.
Which of the following bacterium causes crown gall disease in plants?

Explanation