1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Identify the incorrect statement.
A
Sapwood is involved in conduction of water and minerals from root to leaf
B
Sapwood is the innermost secondary xylem and is lighter in colour
C
Due to deposition of tannins, resins, oils etc., heart wood is dark in colour
D
Heart wood does not conduct water but gives mechanical support
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
The roots that originate from the base of the stem are
A
Primary roots
B
Prop roots
C
Lateral roots
D
Fibrous roots
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
The transverse section of a plant shows following anatomical features :

(i) Large number of scattered vascular bundles surrounded by bundle sheath
(ii) Large conspicuous parenchymatous ground tissue
(iii) Vascular bundles conjoint and closed
(iv) Phloem parenchyma absent

Identify the category of plant and its part:
A
Monocotyledonous root
B
Dicotyledonous stem
C
Dicotyledonous root
D
Monocotyledonous stem
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Phloem in gymnosperms lacks :
A
Companion cells only
B
Both sieve tubes and companion cells
C
Albuminous cells and sieve cells
D
Sieve tubes only
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CBSE
Class 12