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The following question based on physiology of plants, humans and animals topic of general science mcq
(a) Collenchyma is not a simple tissue.
(b) Meristematic cells are not compactly arranged.
(c) the term histology was coined by Meyer
(d) None of these
The correct answers to the above question in:
Answer: (c)
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Read more biology Based General Science Questions and Answers
Question : 1
End product of glycolysis is
a) pyruvic acid
b) glucose-1-phosphate
c) acetyl CoA
d) fructose-1-phosphate
Answer »Answer: (a)
Pyruvic acid is the end product of glycolysis.
Question : 2
Study the following statements :
- The term ‘Cell’ was first coined by Robert Hooke.
- Plant cells are generally without lysosomes.
- Cell wall present only in animal cells.
a) 2 and 3
b) 1, 2 and 3
c) 1 and 2
d) Only 1
Answer »Answer: (c)
Presence of Cell wall is a characteristic feature of plant cells only. Animals lack cell wall.
Question : 3
Root hairs develop from
a) region of elongation
b) region of maturation
c) region of meristematic activity
d) root cap
Answer »Answer: (b)
Question : 4
Match Column-I with Column-II and select the correct answer using the code given below the lists.
Column-I | Column-II |
A. Isotonic | I. External solution is more concentrated |
B. Hypotonic | II. Shrinkage of protoplasm |
C. Hypertonic | III. Solution is more dilute than the cytoplasm |
D. Plasmolysis | IV. Two solutions have the same osmolarity |
a) A – IV; B – III; C – I; D – II
b) A – II; B – I; C – IV; D – III
c) A – III; B – I; C – IV; D – II
d) A – II; B – III; C – IV; D – I
Answer »Answer: (a)
Question : 5
Which mineral nutrients are called critical element for crops?
a) C, H, O
b) N, S, Mg
c) N, P, K
d) K, Ca, Fe
Answer »Answer: (c)
Question : 6
Study the following statements :
- Control room of the cell is Nucleus
- Nucleus was discovered by Robert Brown.
- Nuclear envelope is absent in bacteria.
a) 1 and 2
b) 1 only
c) 2 only
d) 1, 2 and 3
Answer »Answer: (d)
The nucleus is the control room of the cell as it contains the genome which gets expressed to give the phenotype.
The nucleus of the cell was discovered by Robert Brown in 1833. Bacteria are prokaryotes, they lack the nuclear envelope and their genetic material lies in the cell cytoplasm.
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