Class 9 Bio Quiz (RAH CLASSES)
Class 9 Biology Quiz
Test your knowledge of Class 9 Biology with this engaging quiz designed to challenge your understanding of key concepts. Whether you're studying for an exam or just want to brush up on your biology skills, this quiz is for you!
- 11 Multiple Choice Questions
- Covers essential topics like cell structure and osmosis
- Instant feedback on your answers
Q.1 Which of the following can be made into crystal?
(a) A bacterium
(b) An Amoeba
(c) A virus
(d) A sperm
Q.2 A cell will swell up if
(a) the concentration of water molecules in the cell is higher than the concentration of water molecules in surrounding medium
(b) the concentration of water molecules in surrounding medium is higher than water molecules concentration in the cell
(c) the concentration of water molecules is same in the cell and in the surrounding medium
(d) concentration of water molecules does not matter.
Q.3 Chromosomes are made up of
(a) DNA
(b) protein
(c) DNA and protein
(d) RNA.
Q.4 Which of these options are not functions of ribosomes?(i) It helps in manufacture of protein molecules. (ii) It helps in manufacture of enzymes. (iii) It helps in manufacture of hormones. (iv) It helps in manufacture of starch molecules.
(a) (i)and(ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (iv) only
Q.5 Which of these is not related to endoplasmic reticulum?
(a) It behaves as transport channel for proteins between nucleus and cytoplasm.
(b) It transports materials between various regions in cytoplasm.
(c) It can be the site of energy generation.
(d) It can be the site for some biochemical activities of the cell.
Q.6 Following are a few definitions of osmosis. Read carefully and select the correct definition.
(a) Movement of water molecules from a region of higher concentration to a region of lower concentration through a semi- permeable membrane.
(b) Movement of solvent molecules from its higher concentration to lower concentration.
(c) Movement of solvent molecules from higher concentration to lower concentration of solution through a permeable membrane.
(d) Movement of solute molecules from lower concentration to higher concentration of solution through a semi-permeable membrane.
Q.7 Plasmolysis in a plant cell is defined as
(a) breakdown (lysis) of plasma membrane in hypotonic medium
(b) shrinkage of cytoplasm in hypertonic medium
(c) shrinkage of nucleoplasm
(d) none of them
Q.8 Which of the following are covered by a single membrane?
(a) Mitochondria
(b) Vacuole
(c) Plastid
(d)None
Q.9 Find out the false sentences.
(a) Golgi apparatus is involved with the formation of lysosomes.
(b) Nucleus, mitochondria and plastid have DNA; hence they are able to make their own structural proteins.
(c) Mitochondria is said to be the power house of the cell as ATP is generated in them.
(d) Cytoplasm is called as protoplasm
Q.10 Find out the correct sentence.
(a) Enzymes packed in lysosomes are made through RER (rough endoplasmic reticulum).
(b) Rough endoplasmic reticulum and smooth endoplasmic reticulum produce lipid and protein respectively.
(c) Endoplasmic reticulum is related with the destruction of plasma membrane.
(d) Nucleoid is present inside the nucleoplasm of eukaryotic nucleus.
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