Question

The cell organelle takes part in membrane biogenesis- *

mitochondria

endoplasmic reticulumno

lysosomes

vacuoles

ii) Centrosome with two centrioles are present in- *

animal cell

plant cell

both of them

none of these

iii) The cells of which tissue have cell wall made up of cellulose with deposition of pectin - *

parenchyma

collenchyma

sclerenchyma

cork

iv) The diseases which are not caused by pathogen are - *

infectious diseases

communicable diseases

non- communicable diseases

none of these

v) Fits and uncosciousness targets- *

liver

lungs

skin

brain

vi) Which of the following can make you ill if you come in contact with an infected person?

blood cancer

high blood pressure

tress

sneezing

Q2.Answer the following in one word; (1/2*4=2)

Your answer

i) The cells enclosing the stoma in leaves.

Your answer

ii) Who coined the term protoplasm for the fluid content of the cell?

Your answer

iii) The cell division that occurs in the reproductive cells.

Your answer

iv) The diseases which are of short duration and are curable.

Your answer

Q3.Differentiate between; -(1.5*2=3)

Your answer

i) Xylem and phloem

Your answer

ii) vaccine and vaccination

Your answer

Q4.What are the main functions of a) Chloroplast b) Cell wall. 
c) Aerenchyma. (3)

Your answer

Q5.(a) The signs and symptoms of a disease depend on the tissue or organ which the microbe target. Explain with examples. 
(b) Give two examples of each infectious and non-infectious diseases. (3)

Your answer

Q6.Draw well labelled diagram of muscular tissue. (3)

Your answer

Submit


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Answer 1

Answer:

1.Endoplasmic reticulum.

2. Both the cells.

3. Sclerenchyma.

4.non communicable diseases.

5. Skin.

6. Sneezing