Bulliform cells are responsible for
- AProtecting the plant from salt stress.
- BIncreased photosynthesis in monocots.
- CProviding large spaces for storage of sugars.
- ✓Inward curling of leaves in monocots.
Answer: D.
View full solution →Question types
STD 11 - 6. Anatomy flowering plants question types
599 questions across 1 question group — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
599
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1
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5
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Sample Questions
STD 11 - 6. Anatomy flowering plants questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
In the given figure, which component has thin outer walls and highly thickened inner walls?
- A$D$
- B$A$
- C$B$
- ✓$C$
Answer: D.
View full solution →Given below are two statements:
Statement $I$: Parenchyma is living but collenchyma is dead tissue.
Statement $II$ : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below:
- ABoth Statement $I$ and Statement $II$ are false
- BStatement $I$ is true but Statement $II$ is false
- ✓Statement $I$ is false but Statement $II$ is true
- DBoth Statement $I$ and Statement $II$ are true
Answer: C.
View full solution →Identify the correct statements:
$A$. Lenticels are the lens-shaped openings permitting the exchange of gases.
$B$. Bark formed early in the season is called hard bark.
$C$. Bark is a technical term that refers to all tissues exterior to vascular cambium.
$D$. Bark refers to periderm and secondary phloem.
$E$. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below:
- A$B$ and $C$ only
- B$B,C$ and $E$ only
- ✓$A$ and $D$ only
- D$A,B$ and $D$ only
Answer: C.
View full solution →Given below are two statements : One is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$ : Late wood has fewer xylary elements with narrow vessels.
Reason $R$ : Cambium is less active in winters.
In the light of the above statements, choose the correct answer from the options given below :
- A$A$ is false but $R$ is true
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- CBoth $A$ and $R$ are true but $R$ is NOT the correct explanation of $A$
- D$A$ is true but $R$ is false
Answer: B.
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