Explore topic-wise InterviewSolutions in .

Give three similarities and one difference between mitochondria and plastid.

Air and water are___pollinators.

If a cell is placed in a sugar solution, then in which condition, movement of water occurs in both directions across the cell membrane?

Which of the following is not an example of a tissue?

The damage to oxyntic cells of gastric glands will result in

Match the following.
$\begin{array}{cc}\left(1\right)\text{Fresh water fish}& \left(\text{A}\right)\text{Vitamin A}\\ \left(2\right)\text{Golden rice}& \left(\text{B}\right)\text{Jersey}\\ \left(3\right)\text{Exotic breed of hen}& \left(\text{C}\right)\text{White leghorn}\\ \left(4\right)\text{Breed of cattle}& \left(\text{D}\right)\text{Catla}\end{array}$

Which of the following is secreted by the liver?

Name four Chordata classes having cold blooded animals.

What are adaptations in fishes due to which they are aquatic?

What is the highlighting feature of phylum Arthropoda?

Match the following

Organism Life Span
i. Butterfly a. 2500 years
ii. Crow b. 140 years
iii. Tortoises c. 15 years
iv. Banyan tree d. 1 - 2 weeks

Question 36
Match the column (A) with the column (B)
$\begin{array}{cc}\left(A\right)& \left(B\right)\\ \left(a\right)Parenchyma& \left(i\right)Sclerenchyma\\ \left(b\right)Photosynthesis& \left(ii\right)Buoyancy\\ \left(c\right)Aerenchyma& \left(iii\right)Localizedthickenings\\ \left(d\right)Collenchyma& \left(iv\right)Carbonfixation\\ \left(e\right)Permanenttissue& \left(v\right)Thinwalled,packingcells\end{array}$

Write down four characters of Osteichthyes and give two examples.

How does the male gamete reach the egg cell?

What is soil erosion ? Explain means of preventing it.

Why is life on Mars and Venus planets not possible?

Name one (1) Inexhaustible resource, (2) Renewable exhaustible resource (3) Non-renewable exhaustible resource.

The path of water from soil in to the xylem of the root is

1) outermost layer in plant cells.

2) a cell component which is visible only in cell division stages.

The flow of energy is unidirectional whereas the biogeochemical transfer is cyclic. Why? [2 MARKS]

___ acts as the controller of a cell.

Name any two micronutrients, required by plants.

Give two examples of Cyclostomata.

The animals in the pictures [Liger and Mule] shown below cannot support in ___ .

Write your observation

a saturated solution of copper sulphate is allowed to evaporate

Match the following with correct response.

$\begin{array}{cc}\left(1\right)skin& \left(A\right)Connectivetissue\\ \left(2\right)Bone& \left(B\right)Permanenttissue\\ \left(3\right)Softplantparts& \left(C\right)Parenchyma\\ \left(4\right)Vasculartissue& \left(D\right)Epithelialtissue\end{array}$

Role of spleen of mammals is to:

What does turgour pressure mean???

__ is a method in which a branch of the plant is covered with some material and supplied with water to produce roots.

The stomach opens into___.

Which of the following is/are the function(s) of the nucleus?

Which one of these is not a eukaryote?

Rahul's uncle is a horticulturist and grows many beautiful and exotic flowers. However, lately he has started noticing that, the new flowers are not forming due to failure of reproduction. He further sees that it might be due to inability of the movement of pollen towards to ovary. Thus, hindering the fertilisation. The pollen is not responding to which of the critical phenomenon?

The study of development is called?

A common meal of Punjab is

Which one of the following is a salient feature of Pisces?

Which of the following is not an effect of overpopulation?

Which of the following can be treated with antibiotics?

From where do the plants get carbon, oxygen and hydrogen? What do plants need nutrients for? [3 MARKS]

Which pigment is necessary in order for plants to convert carbon dioxide and water, in the presence of sunlight, into oxygen and glucose?

Silk is obtained from which stage of the life cycle of the silk moth?

The process of removing wastes in living beings is known as _____.

Carrier of Entamoeba histolytica is ________.

The male gamete in humans is known as __.