Explore topic-wise InterviewSolutions in .

How can we observe the onion peel cells?

Fill in the following blanks with suitable words :

(a) The same kind of plants grown and cultivated on a large scale at a place is called___

(b) The first step before growing crops is___of soil.

(c) For growing a crop, sufficient sunlight,___and___from the soil are essential.

(d) Damaged seeds would___on top of water.

(e) Crop rotation helps in the replenishment of soil with___

(f) The supply of water to crops at different intervals is called___

(g) The unwanted plants present in a crop field are called___

(h) Dried___ leaves are used for storing food grains at home.

(i) Many people living in the___areas consume fish as a major part of their diet.

Which of the following is an important botanical garden in Kerala?

Where do you find most of a cell's DNA?

What is turgid

Thyroid gland is located in the ___ .

State the function of male sex hormone 'testosterone'.

Which of the following activities, if not checked in time, may ultimately lead to the rise in sea level ca the flooding of low-lying coastal areas ?
(a) desalination
(b) desertification
(c) deforestation
(d) desegregation

Capsid and capsomeres are the terms used for the

Arrange the states in there decreasing of tiger population. Identify the correct code

Which of the following habits result in the reduction of the diameter of the blood capillaries and diffusion of oxygen into the tissues?

A multicellular/unicellular eukaryotic organism that obtains its food by absorbing nutrients from the environment belongs to kingdom _________.

Name another term for 'adolescents'.

The area of the brain responsible for maintaining homeostasis by regulating processes such as hunger, thirst, body temperature, and water balance is ______.

Areas protected with the participation of the public are called

Throughout the world, official species names are in _____.

The type of nervous system that dilates our pupils, makes liver convert glycogen to glucose and prepared the body for action is known as ___ nervous system.

Which of the following is not an advantage of manures?

Women tend to have wider hips which start developing at puberty. Select the correct reason.

Kumar and John have a garden containing 100 plants. Two water tanks which hold equal quantity are present at two ends of the garden. Kumar connected perpendicular pipes with nozzles through a long pipe to one tank. John channelized water pipes from another water tank in such a way that the water reaches slowly to the roots of plants. On day 1, John was able to water all the plants and still have some quantity of water left in his tank but on day 2 when Kumar tried to water the plants he wasn't able to water all the plants. What kind of irrigation method was used by Kumar and John respectively?

What is marine biota?

Which of the following belong to same trophic level?

A. Cockroach and spider

B. Lizard and spider

C. Hawk and spider

D. Lizard and hawk

What are silos and granaries. Explain

The WTO follows the principle of ‘Self Selection’ which means-

Plants are exposed to all kinds of weather conditions because they cannot move explain their adaptation for protection

Plastids that do not impart any colour are

What is soil preparation? [3 MARKS]

The cell wall in onion peel cell is made of:

Which of the following is an example of single cell which can change its shape?

Which two protozoans which cause diseases in human beings? Name the diseases. Hence, name the country in the world that has been declared by WHO as a disease free country from this protozoan? [3 MARKS]

State the harmful effects of taking drugs.

Cell membrane is also called:

Match the following:

Which organ system do the heart and blood vessels belong to?

Identify the irrigation method shown below.

RBC’s have a red pigment called __(i)_____ which is designed to carry _(ii)_____.

Weeding is necessary because ___ .

Which of the following is an example of chemical coordination?

What are endemic, endangered and extinct species?

Haematuria means

Question 10
Complete the crossword puzzle using the hints given below.
Across
1. The process of the fusion of the gametes.
6. The type of fertilization in hen.
7. The term used for bulges observed on the sides of the body of Hydra.
8. Eggs are produced here.
Down
2. Sperms are produced in these male reproductive organs.
3. Another term for the fertilized egg.
4. These animals lay eggs.
5. A type of fission in amoeba.

Which hormone is required by insects for their metamorphosis?

Name the time period in one's life when the brain has the greatest capacity for learning.