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Which of the following is a correct statement?

Match the following characters with their contrasting traits of Pea plant.

$\begin{array}{cc}ColumnI& ColumnII\\ \text{A. Stem height}& \text{1. Axial/terminal.}\\ \text{B. Flower position}& \text{2. Round/wrinkled.}\\ \text{C. Pod shape}& \text{3. Tall/dwarf.}\\ \text{D. Seed shape}& \text{4. Inflated/constricted.}\end{array}$

Which of the following statement(s) is not correct regarding prokaryotes?

i. They don't have nucleus.
ii. Amoeba is a single-celled prokaryotic organism.
iii. DNA is generally circular.
iv. They are unicellular organisms.

Define livestock give thier uses. [2 Marks]

Identify the functions of medulla oblongata:

Question 30

Cultivation practices and crop yield are related to environmental condition. Explain.

What is eukaryotic cell ?

What are the characteristic features of columnar epithelial tissue?

Which of the following statement is not true?

Leena wanted to study about the growth of plants and decided to conduct a simple experiment. She took a closed cardboard box with a hole on one side and kept a little pot of plant in it. She kept this set up near a window in her room with access to sunlight. After some days, she saw that the stem of the plant is bending (almost reaching) towards the hole in the cardboard, from which the sunlight comes. What is the name of the phenomenon observed here, by which the plant responds to sunlight?

___ is known as 'Father of modern taxonomy'.

The complex formed by a pair of synapsed
chromosomes is called

Cell wall of Agaricus is made up of:

Rice is rich in ___ .

Question 30
Why are lysosomes known as ‘suicide-bags’ of a cell?

Why do the animal cells do not have cell walls ?

Question 32

Which of the following statement(s) is (are) correct?

(i) Pyruvate can be converted into ethanol and carbon dioxide by yeast

(ii) Fermentation takes place in aerobic bacteria

(iii) Fermentation takes place in mitochondria

(iv) Fermentation is a form of anaerobic respiration



(a) (i) and (iii)

(b) (ii) and (iv)

(c) (i) and (iv)

(d) (ii) and (iii)

The region of the axis between the point of attachment of cotyledons and the plumule is called __.

List the major groups of activities for improving crop yield ?

What is full form of ATP

Match the following type of vaccines with their respective disease

1. Toxoids a) Typhoid

2. Killed Germs b) Measles

3. Living weekend Germs c) Tetanus

What is meant by unidirectional transport and bidirectional transport of food?

After learning that fats are the richest source of energy, Bala decides to eat food rich in fats. So, he ate mainly fried and oily food including butter and cheese. What would be the result of such a diet plan on Bala?

What is functional segment of DNA?

Let's suppose we say that the backbone is like a train which has different compartments linked via mechanical links. How many different compartments will be there in such a train _____?

How the cell wall help the plant to withstand in very dillute external condition?

The method used to obtain plant varieties with high yield and other desirable characters is:

Which of the following is responsible for acid rain?

Identify the stages in mitosis for the given image.

Question 176

How many millions make 3 crore?