Ligaments

Q.

Mitosis in plants occurs in

1. In meristematic tissues

2. During the growth of leaves, flowers and fruits

3. Both a and b

4. Neither a nor b

Q.

Which is not a connective tissue?

1. Blood

2. Heart muscle

3. Tendon

4. Cartilage

Q.

Give the functions of cartilage.

Q.

How many daughter cells are formed during meiosis?

1. 1

2. 2

3. 3

4. 4

Q.

Choose the odd one out of the following terms given and name the category to which they belong

Thymine, Cytosine, Adenine, Pepsin.

Q.

Name the disease caused due to deficiency of the following minerals in the diet.
(a) Iodine
(b) Calcium
(c) Iron

Q.

The hormone thyroxine is secreted by

1. Pituitary gland

2. Adrenal gland

3. Thyroid gland

4. Pancreas

Q.

What is importance of rib cage in our body?

Q.

An object appears blue when seen in white light. What colour will it appear in red light?

Q.

Identify the stage in which chromosomes appear thread-like.

Q.

Name a disorder caused by the under secretion of thyroxine.

Q.

Where is the thymus gland located? Which hormone does it secrete?

Q.

List any two minerals along with their functions, deficiency diseases and sources.

Q.

Thyroid-stimulating hormone (TSH) is secreted by

1. thyroid gland

2. anterior lobe of pituitary

3. pancreas

4. adrenal gland

Q. What is
1. TENDONS
2.LIGAMENTS
3.CARTILAGE
4.ADIPOSE TISSUE
5.AEROLAR TISSUE

Q. Number of resonating structures of phenol? Is 5 correct?

Q.

State whether the following statement is true or false. If false, rewrite the correct form of the statement by changing the first or last word only.

Mitosis is the type of cell division occurring in the injured parts of the body.

1. True
2. False

Q.

Is canaliculi seen in bones or cartilages ?

Q. Which of the following animals does not undergo metamorphosis?

1. Earthworm
2. Tunicate
3. Starfish
4. Moth

Q.

If two daughter cells are formed during mitosis, how are our DNA and chromosomes distributed?

Q.

Assertion (A): Frog exhibit bilateral symmetry.
Reason (R): In bilateral symmetry, the body parts are arranged along a central axis. If the animal is cut through the central axis, we get two identical halves.

1. Both A and R are true and R is the correct explanation of A.

2. Both A and R are true but R is NOT the correct explanation of A.

3. A is true but R is false.

4. Both A and R are false.

Q. Hard matrix of a particular type of connective tissue is composed of calcium and phosphorus compounds the cells embedded in this matrix are:
A Fibroblasts
B Osteocytes
C Chondrocytes
D Mast cells

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Q.

Cartilage is formed by____________.

Q.

The significance of mitosis is to keep the chromosome number constant in a species.

1. True
2. False

Q.

Give three important significance of mitosis

Q.

The base of cooking pans is made thicker and heavy because:

1. it lowers the heat capacity of a pan

2. it increases the heat capacity of a pan

3. the food does not get charred and keeps hot for a long time

4. both (b) and (c)

Q. Fill in the blanks​
A bone becomes soft and flexible when placed in dilute

Q.

Unscramble the jumbled words and write them in the blank spaces provided.

(i) neosb____ (ii) tnemevom ______ (iii) iontcaronct______ (iv) lsecsum __________ (v) arctigeal_____ (vi) epahs_____ (vii) sangro inerlant_____ (viii) laxaeriont _____.

Q.

Fill in the blanks​

The central hollow part of the long bones is known as

Q.

Name the hormones secreted by thyroid.