31
The structures present in chromosome include
A)
Matrix, grana, thylakoids and cristae
B)
Centromere, secondary constrictions, telomeres and satellites
C)
Ribosome, cisternae, centromere and cristae
D)
Secondary constrictions, telomeres, satellites and grana
Answer & Solution
Answer: Option
B
32
Period between two cell divisions is known as
A)
replication time
B)
generation time
C)
incubation time
D)
interphase
Answer & Solution
Answer: Option
D
33
How many cells and meiosis are needed to produce 200 cells?
A)
100 and 50 respectively
B)
25 and 50 respectively
C)
50 and 25 respectively
D)
50 and 50 respectively
Answer & Solution
Answer: Option
D
34
Which one of the following elements is present in the green pigment of leaves?
A)
Magnesium
B)
Iron
C)
Calcium
D)
Copper
Answer & Solution
Answer: Option
A
35
Chromosomes bearing satellites are called SAT-chromosomes, where SAT stands for
A)
Sine Acid Thymonucleinico
B)
Sine Acid Thyamine
C)
Satellite Acquired Thyamine
D)
Sine Acid Thyroxide
Answer & Solution
Answer: Option
A
36
The smallest known prokaryotic organism is
A)
Microcystis
B)
Mycaplasma
C)
Bacteria
D)
Chlorella
Answer & Solution
Answer: Option
B
37
The cell wall is interrupted by narrow pores carrying fine strands of cytoplasm, which interlink the contents of the cells, are called
A)
Plasmahole
B)
Microvilli
C)
Plasmodesmata
D)
Plasmalemma
Answer & Solution
Answer: Option
C
38
DNA is mainly found in the following organelles
A)
1, 2, 3 and 4
B)
1, 2 and 4
C)
2, 3 and 4
D)
2 and 4
Answer & Solution
Answer: Option
B
39
Which of the following cell organelles are present only in plant cell?
A)
Lysosomes
B)
Plastids
C)
Cell membrane
D)
Mitochondria
Answer & Solution
Answer: Option
B
40
The principal functions of the cell wall include
A)
Protection
B)
Mechanical support
C)
Maintenance
D)
All of the above
Answer & Solution
Answer: Option
D
