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[A] : Peroxisomes and basal bodies are c...

[A] : Peroxisomes and basal bodies are called microbodies .
[R] : Microbodies use free molecular oxygen like mitochondria.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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[A] : Peroxisomes occur , both in plants and animals . [R] : Peroxisome is a microbody .

[A] : Study of internal structure is called Anatomy. [R] : It is useful for phylogenetic study.

[A] : Calcium carbonate crystals are called cystoliths . [R] : The main body of a cystolith is a cellulose extension of cell wall in which calcium carbonate is deposited .

You are asked to examine a cell using a powerful light microscope. The image you see has a clearly defined nucleus and mitochondria. It also has a large central vacuole and chloroplasts. From what group of organisms did this cell most likely come?

[A] : Mitochondria are called power houses of the cell. [R] : Mitochondria produces ATP by the break-down of carbohydrates into carbon dioxide (of carbohydrates) and water .

Read the following statements (i) Animals in which the cells are arranged in two embryonic layers, an external ectoderm and an internal endoderm, are called diploblastic animals. Notochord is an ectodermal derived rod like structure formed on the ventral side during embryonic development in some animals. In some animals, the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm ans such a body cavity is called pseudocoelom. Which of the following statement(s) is/are correct?

[A] : Honey bees are social insects known for producing honey and bees wax , and for living in very highly organized colonies . These colonies have hexagonal chambers called cells made up of bees wax . [R] : Cells are used for storing honey and pollen breeds , as well as for rearing the brood.

[A] : Mitochondria synthesize energy rich compounds called ATP . [R] : Mitochondria perform important functions such as oxidation , dehydrogenation and oxidative phosophorylation .

TRUEMAN BIOLOGY-Living World -ASSERTION AND REASON
  1. [A] : The lymphocytes have well developed lysosomes . [R] : Because ...

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  2. [A] : Prokaryotes lack Mitochondria. [R] : Their plasma membrane bea...

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  3. [A] : Nuclear membrane of karyotheca forms an envelope-like structure ...

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  4. [A] : The space between nuclear envelope and nucleolus is filled by ka...

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  5. [A] : Leucocytes can digest any thing harmful they eat . [R] : Leuco...

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  6. [A] : The nuclear membrane forms envelope like structure called nuclea...

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  7. [A] : The nuclear envelope is the derivative of membrane of mitochondr...

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  8. [A] : Rods and cones of retina are modified cilia . [R] : Cilia are ...

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  9. [A] : Golgi bodies are dictyosomes are synonymous . [R] : In plants ...

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  10. [A] : Mitochondria have evolved from bacteria . [R] : Mitochondria a...

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  11. [A] : Calcium carbonate crystals are called cystoliths . [R] : The m...

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  12. [A] : F(0) - F(1) - ATPase complex is embedded in inner membrane of mi...

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  13. [A] : Centromere is concerned with splitting of chromosomes . [R] : ...

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  14. [A] : Peroxisomes and basal bodies are called microbodies . [R] : Mi...

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  15. [A] : A microtubule structure that brings about chromosomal movement d...

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  16. [A] : Active transport results in solute movement against a concentrat...

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  17. [A] : Plasma membrane is thin and not visible as a separate layer . ...

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  18. [A] : Pectins are abundant in middle lamella in plant cells . [R] : ...

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  19. Assertion : Mitochondria and chloroplasts are semiautonomous organelle...

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  20. Assertion: Among the primates, chimpanzee is is the closest relative o...

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