Tissue

Q.

Name the mineral that is required for keeping our bones healthy?

Q.

Question 1
Define the term "tissue".

Q. Pneumatic bones are found in

Q.

Meiosis occurs in

1. Diploid cells

2. Haploid Cells

3. Mostly haploid cells but occasionally diploid cells

4. Mostly diploid cells but occasionally haploid cells

Q.

Striated muscles are found in the body walls and limbs. They help in the movement of body parts and locomotion.

1. True
2. False

Q.

(a) What is a tissue?

(b) Write differences between plant and animal tissues.

Q.

How many muscles work together to move a bone?

Q. __________ cells do not undergo cell division due to absence of centrioles.

1. Embryonic
2. Hepatic
3. Epithelial
4. Nerve

Q. Do the muscles pull the structures, or push them? Explain briefly.​

Q. What is "goose-flesh"? How is it brought about?​

Q.

The muscles get bulged due to_

Q.

Question 1
What is a tissue?

Q. Striated muscle is also known as ___.

1. involuntary muscle
2. cardiac muscle
3. skeletal muscle
4. smooth muscle

Q. Name the kind of animal tissue in which
(iii) Cells can contract and relax.

Q. Parenchyma vacuoles in potatoes are filled with __________.

1. starch
2. sugar
3. proteins
4. amino acids

Q.

Cardiac muscle is an example of involuntary muscles.

1. True
2. False

Q.

Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which cells are least likely to be replaced by new cells?

1. Osteocytes

2. Liver cells

3. Neurons

4. Skin cells

Q. Mention if the following statements are true (T) or false (F)
(iii) Cardiac muscles get tired soon.

Q. What are antagonistic muscles? Give one example.​

Q. Identify the molecules that causes muscle ache during intense exercise.

1. Carbon dioxide
2. Lactic acid
3. Glucose
4. Ethanol

Q. A tissue is made of similar kind of cells.

1. True
2. False

Q. The skeleton of a newborn baby has more than 300 bones but adults have only 206 bones.

1. False
2. True

Q. Muscular tissue consists of elongated cells also called ________.

1. Smooth muscles
2. Fibrinogen
3. Muscle fibres.
4. Striated muscles.

Q.

How harmful are Non-reciprocal translocations?

Q.

Muscles help in the movement of bones. Describe how.

Q. Identify the molecules that causes muscle ache during intense exercise.

1. Lactic acid
2. Carbon dioxide
3. Ethanol
4. Glucose

Q.

How is the pachytene phase of prophase I distinguished?

Q. Write one specialty of each one of the following:
(iii) Striated muscle

Q.

(a) What is a tissue?

(b) Write differences between plant and animal tissues.

Q. Genetic recombination due to crossing over of broken segments of chromatids occurs in the _______ stage of prophase-I of meiosis.

1. Diplotene
2. Leptotene
3. Pachytene
4. Zygotene