Chromosomes

Q.

What are the functions of Genes?

Q.

What is the location of chromosome ?

Q. We resemble our parents because of our __.

Q. What do 'hereditary characteristics' mean?

1. not sure

2. characters that are passed from one generation to the other

3. characters that are not carried by genes

4. characters that are not expressed

Q.

When the cell is about to divide the chromatin material gets condensed and organised into

1. chromatin membrane

2. chromosomes

3. DNA

4. chromatic acids

Q.

What is difference between chromatin fibers and chromosomes ?

Q.

Chromosomes transfer characters from parents to offspring. State true or false.

1. True

2. False

Q. List the major differences between a plant cell and an animal cell.

Q. Which of the following cell organelle contains the chromosomes?

1. Nucleus
2. Endoplasmic reticulum
3. Golgi apparatus

Q. The dark coloured fibres present in the nucleoplasm are called ___.

1. chromatin
2. ribosomes
3. lysosomes
4. DNA

Q.

Chromosomes become visible under the microscope when

1. The cell completes division.

2. The cell is dividing.

3. The cell is about to die.

4. Chromosomes are never observed under microscope

Q.

Distinguish between the following on the basis of what is given in the brackets.
Karyokinesis and cytokinesis (purpose of occurrence).

Q.

Which of the following is responsible for our resemblance with our parents?

1. Plastids

2. DNA

3. RNA

4. Cell membrane

Q. Chromatin fibers are embedded in the _____.

1. cytoplasm
2. protoplasm
3. nucleoplasm
4. nucleolus

Q. Assertion (A): Chromosomes are responsible for the transfer of characteristics from parents to offspring.

Reason (R): Chromosomes are present in the nucleus.

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. A is false but R is true.

Q.

Which among the following sequences is correct in describing the genetic material present in the nucleus from the most basic to the most complex?

1. $\mathrm{Gene}\to \mathrm{Nucleus}\to \mathrm{Chromosome}$
2. $\mathrm{Chromosome}\to \mathrm{Nucleus}\to \mathrm{Gene}$
3. $\mathrm{Gene}\to \mathrm{Chromosome}\to \mathrm{Nucleus}$
4. $\mathrm{Nucleus}\to \mathrm{Gene}\to \mathrm{Chromosome}$

Q. Which of the following organelles does not have a double membrane?

1. Nucleus
2. Chloroplast
3. Mitochondria
4. Lysosomes

Q. __________ helps in the locomotion of euglena.

1. Flagellum
2. Cilia
3. Cell membrane
4. Pseudopodia

Q. 'Hereditary characteristics' means ____.

1. characters that are not expressed

2. characters that are passed from one generation to the other

3. characters that are not carried by genes

4. not sure

Q. Match the cell organelles with their respective names.

1. Mitochondrion
2. 
3. Nucleus
4. 
5. Chloroplast
6. 

Q. Identify the organelles which are present in both plant and animal cells.

1. Cell wall
2. Vacuoles
3. Mitochondria
4. Ribosomes
5. Chloroplasts
6. ER
7. Golgi apparatus
8. Nucleus

Q.

Chloroplasts and Golgi apparatus possess extrachromosomal DNA.

1. False

2. True

Q. <!--br {mso-data-placement:same-cell;}--> What are chromosomes?

Q.

'Hereditary characteristics' means:

1. characters that are passed from one generation to the other

2. characters that are not carried by genes

3. characters that are not expressed

4. not sure