Explore topic-wise InterviewSolutions in Current Affairs.

Which of the following are the functions of water in our body?

Question 21
Reproduction is essential to living organisms in order to

(a) keep the individual organism alive
(b) fulfil their energy requirement
(c) maintain growth
(d) maintain the continuity of species from one generation to another generation

A cricket player is chasing a ball in the field. Which, of the following groups of bones, is directly contributing in this movement?

During continuous physical exercise, the muscles are working in the lack of oxygen to provide extra energy. The product of anaerobic respiration in such muscles is __.

Define residual air capacity?

Match the following:
$$\begin{array}{cccc}& Column1& & Column2\\ \left(p\right)& Scrubber& \left(i\right)& 1000voltselectrodes\\ \left(q\right)& Catalyticconverter& \left(ii\right)& fluegascolumn\\ \left(r\right)& Electrostaticprecipitator& \left(iii\right)& redoxreactions\end{array}$$

What is common among amylase, rennin and trypsin?

Cellular respiration is the process by which cells generate energy molecules.

Which of the following is not formed during cellular respiration?

The __ quality of the food grain is one of the factors considered while improving the crop variety.

Match the following with correct response.
$\begin{array}{cc}\left(1\right)\text{Meristematic tissue}& \left(\text{A}\right)\text{Blood and bones}\\ \left(2\right)\text{Epidermal tissue}& \left(\text{B}\right)\text{Divides rapidly}\\ \left(3\right)\text{Connective tissue}& \left(\text{C}\right)\text{Conduct message}\\ \left(4\right)\text{Nervous tissue}& \left(\text{D}\right)\text{Outer surface of plants}\end{array}$

Look at the given figure. All of them provide energy to our body. They can be sources rich in which component of food?

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What is common or vernacular name?

The basic contractile unit of a muscle cell is

After reading the article, Stephan requested his grandfather to take him to a zoo. Overthere he saw an animal which resembled a horse and a donkey. He thought that donkey and horse are of the same species. But his grandfather corrected him by saying that no they are not. Identify the reason why they are not of the same species.

Name a sexually transmitted disease caused by bacteria.

Name the process which causes a long term withdrawal of carbon from carbon cycle?

The H-Zone in the skeletal muscle fibre is due to ________

What is the name of the chemical substance which constitutes the genes ?

Given below are the sketches of two types of cells A and B

(a) Which one of these is a plant cell? Give reason in support of your answer.
(b) List the cell structures which are common to both the types.
(c) Name the structures found only in plant cells and those found only in animal cells.

Question 9 (ii)
Carry out the following osmosis experiment:
Take four peeled potato halves and scoop each one out to make potato cups. One of these potato cups should be made from a boiled potato. Put each potato cup in a trough containing water. Now,
(a) Keep cup A empty
(b) Put one teaspoon sugar in cup B
(c) Put one teaspoon salt in cup C
(d) Put one teaspoon sugar in the boiled potato cup D.
Keep these for two hours. Then observe the four potato cups and answer the following:

(ii) Why is potato A necessary for this experiment?

Name the muscle fibre which contains intercalated discs.

Sort the following steps of urine formation with the first process at the top.

Question 2 (d)
Mark (T) if the statement is true and (F) if it is false:
(d) The ruminants bring back swallowed grass into their mouth and chew it for some time.

When your finger gets accidently caught at the door, the pain message is sent to your brain through:

Deepa observed two slides of plant tissues. She was told one contained parenchyma cells, while the other slide had sclerenchyma cells. How can she confirm the slide with sclerenchyma cells?

A surprising number of insects on milkweed plants share the same red and black colors. Explain the specific reason

Which of the following statements are true about the immune system?

The structures present in the small intestine that increase the surface area for absorption are__.

What is osmoregulation? Which organ of the plant body helps in osmoregulation? Hence explain Transpirational Pull. [3 MARKS]

For a protein to be expressed in milk of a transgenic animal, its gene should be under the control of the promoter of the gene coding for

Match the separating membranes with appropriate structure in the muscle.

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Why is catenation property of carbon considered as chemical evolution?

Mountaineers take oxygen cylinders with them because

Find out the incorrect statement about lymph:

The major constituents of an ecosystem are ____ and ____.

What is permanent tissue ?

Sponges have a cell aggregate body plan with numerous pores all over their body. To which phylum do they belong?

Anaerobic respiration in the muscles produce(s) __.

Which of these is/are high milk yielding breeds of cows in India?

Name any one source of emission of carbon monoxide ?

Give one example of connective tissue in which matrix is solid.

Sunflower is an example of _____ plant.

Define thallus?

The stomach secretes gastric juice, which contains hydrochloric acid. What is its function ?

If dried apricots are initially placed in plain water for some time and then into a concentrated solution of sugar, they will:

Describe the role of micro-organisms in industrial production