Explore topic-wise InterviewSolutions in .

Choose the correct statements.

Question 3

Which of the following statements is/are correct?

(i) All green plants can prepare their own food.

(ii) Most animals are autotrophs.

(iii) Carbon dioxide is not required for photosynthesis.

(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:



(a) (i) and (iv)

(b) (ii) only

(c) (ii) and (iii)

(d)(i) and (ii)

Question 7

What is the specific function of the cardiac muscle?

Which among the following is a function of the vitreous humour?

Chromosome structure can be studied clearly during which stage?

Areas in the ocean with low oxygen concentration that causes suffocation and death of animal life.

Which colour regions of the light spectrum are most efficient in photosynthesis?

(a) Are the cells in an elephant larger than the cells in a rat?

(b) What are the different shapes of cells?

Does the colon play any digestive role?

Explain vegetative propagation with the help of two examples. List two advantages of vegetative propagation.

During what stage of photosynthesis is ATP converted to ADP?

What are the causative organisms of the following diseases? [5 MARKS]

Difference between

TRYPSIN

AMYLASE

LIPASE

PEPSIN

How does chemical coordination occur in plants?

Question 47

Match the words of Column (A) with that of Column (B).



$\begin{array}{cc}Column\left(A\right)& Column\left(B\right)\\ a.Phloem& \left(i\right)Excretion\\ b.Nephron& \left(ii\right)Translocationoffood\\ c.Veins& \left(iii\right)Clottingofblood\\ d.Platelets& \left(iv\right)Deoxygenatedblood\end{array}$

What are the different groups of microorganisms which cause diseases in man?

Difference between Pepsin and trypsin

What is the main function of the Excretory System?

Question 25

Which among the following is not the function of the testes during puberty?



(i) formation of germ cells

(ii) secretion of testosterone

(iii) development of placenta

(iv) secretion of estrogen



(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (i) and (iv)

AIDS is a deadly disease which is caused by :
(a) a protozoan
(b) a fungus
(c) a bacterium
(d) a virus

Does each cell in the body contains 46 chromosomes ?

A man having black eyes, whose father had blue eyes, marries a woman having blue eyes. If black eye is dominant over blue eyes, then what percentage of their offsprings can be blue-eyed?

Adaptation of colour vision is found in

Complete the concept map which shows the branching of artery and its branches:

Arteries $\to$ ??? $\to$ Capillaries $\to$ Cells in tissue

Question 47

Why is epidermis important for the plants?

Match the following with repect to glands and disease

$$\begin{array}{cc}A.Addiso{n}^{\prime }sdisease& 1.Pituitary\\ \text{B. Tetany}& \text{2. Thyroid}\\ \text{C. Acromegaly}& \text{3. Adrenal cortex}\\ \text{D. Myxoedema}& \text{4. Parathyroid.}\end{array}$$

(a) Name two systems which taken together perform the functions of control and coordination in human beings.

(b) What does the central nervous system in humans consist of? What is the job of the central nervous system?

(c) Give the various functions of the brain.

Vasectomy involves cutting and tying of_______.

Rearrange these parts of a nephron in the order in which the fluid flows from the filtration membrane through the nephron.

What is the difference between proximal tubule and distal tubule? Why should there be a difference? Can't there just be one tubule?

Where does complete digestion and absorption takes place in ruminants?

During the growth period in children, release of too much growth hormone may lead to

Excessive bleeding from an injury even after an hour of the incidence could be because of the ………………