Explore topic-wise InterviewSolutions in .

Lateral line system is present in–

In xylem, _________ and _________ transport minerals vertically.

Transition mutation is due to replacement of

In the respiration activity if KOH pellets absorb carbon-dioxide then does it create complete or partial vacuum?

Rhizobium converts atmospheric ______ into soluble nitrates.

How does exchange of gases takes place across the surface of the stem of a plant?

The following picture shows the different types of teeth present in your mouth. From the given options, select the option which matches with their name and function.

Which of the following are the correct terms used for the group of organisms mentioned below?

1. Grass, Fern, Moss

2. Lion, Cow, Rat

3. Bacteria, Fungi

Most of the mineral salts in the soil enter roots by the process of:

Question 13
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because

Explain the functional limitations of sense organs.

Question 2
Electrical impulse travels in a neuron from

(a) Dendrite → axon → axonal end → cell body
(b) Cell body → dendrite → axon → axonal end
(c) Dendrite → cell body → axon → axonal end
(d) Axonal end → axon → cell body → dendrite

___________ helps in the upward movement of water from roots to the leaves in tall trees.

Define heredity,. Explain the machanism of hereditary changes.

What is the function of ozone in the upper atmosphere?

Our nervous system helps us in controlling all the functions of our body. It is made up of nervous tissue. Name the cell that make up the nervous tissue. Draw a well labelled diagram of the same.

ADH will be released from the posterior pituitary when there is a decrease in plasma ________ .

Who performed the famous experiment to prove that the origin of life was from inorganic substances?

The air we breathe in, contains 21$\%$ of ______ and 0.04$\%$ of ______.

Follicular atresia is

Question 19

From the list given below, select the character which can be acquired but not inherited



(a) Colour of eye

(b) Colour of skin

(c) Size of body

(d) Nature of hair

Q16) To account for the ‘surprising’ number animals in a ‘country producing so little food’, Darwin suggests all of the following as partial explanations except-

What are the structures into which chromosomes divide towards the end of prophase called?

Match the following.
$\begin{array}{cc}\text{a) Pepsinogen is secreted by}& \text{I)Liver}\\ \text{b) Trypsin is secreted by}& \text{II) Pancreas}\\ \text{c) Bile is produced in}& \text{III) Gall bladder}\\ \text{d) Bile is stored in}& \text{IV) Gastric glands}\end{array}$

Which of these would you use to prove that more water vapour is lost from one of the surfaces of a leaf?

Which of the following helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem ?
(a) transportation
(b) translocation
(c) tropic movement
(d) transpiration.

Fossil evidence in evolutionary studies explains that:

निम्नलिखित
पंक्तियों
का
भाव
स्पष्ट
करो-

(क) गुमी
हुई
आज़ादी
की
कीमत
सबने
पहचानी
थी।

(ख) लावारिस
का
वारिस
बनकर
ब्रिटिश
राज्य
झाँसी
आया।

Give some examples of negative tropism and positive tropism

Give some examples of stimulus in plants and animals

Find the errors in the sentence.

Seven species of turtles, including the Olive Ridley sea turtle, is found in the ocean.

Why do you think he did not go on a serious diet when he was much younger, so that he could live a fuller life?

what is Corpus Callosum

In body cells O2 breaks glucose or pyruvic acid

Which bacterium causes peptic ulcers? Who discovered the above pathogen for the first time?