NEET Biology MCQ - Cytology Multiple Choice


1. Tonoplast is a membrane which surrounds
a)Mitochondria
b)Cytoplasm
c)Nucleus
d)Vacuole

2. The membrane surrounding the vacuole is called as
a)prototopllast
b)rhizoplast
c)sphaeroplast
d)tonoplast

3. Which one of the following is nullisomic?
a)2n+1
b)2n+2
c)2n-1
d)2n-2

4. A loss of a homologous chromosome from a diploid set is
a)Monosomic
b)Nullisomic
c)polysomic
d)diplosomic

5. When the centromere of a chromosome is located at one end of the chromosome, the position is described as
a)Metacentric
b)Acrocentric
c)Submetacentric
d)Telocentric

6. Unit membrane concept was proposed by
a) Danielli
b)Brown
c)Robertson
d)Schultz

7. Which one of the following cell organelle is rich in the hydrolytic enzymes?
a)Peroxisomes
b)Lysosomes
c)sphareosomes
d)glyoxysomes

8. Which one of the following are suicidal bags in cells?
Lysosomes
a)Lysosomes
b)microsomes
c)Centrosomes
d)peroxisomes

9. During meiosis synapsis occurs in
a) Leptotene
b)Zygotene
c)Pachytene
d)Diplotene

10. In plants largest chromosome number is met with in
a) Equisetum  arvense
b) Cyanthea spinulosa
c)Lycopodium cernuum
d)Ophigossum reticulam
Answer:
1. d)Vacuole
2. d)tonoplast
3. d)2n-2
4. a)Monosomic
5. d)Telocentric
6. c)Robertson
7. b)Lysosomes
8. a)Lysosomes
9. b)Zygotene
10. d)Ophigossum reticulam

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