ZOOLOGY -PAGE 8
1. Autosomal Trisomy of 21st pair of chromosome leads to.........
(a). Turners syndrome
(b). Sickle cell anemia
(c). Hemophilia
(d). Down Syndrome
Answer: Option-D
2. In Birds, the area pellucida develops into
(a). Organ
(b). Primitive pit
(c). The Henson's node
(d). Primitive streak consisting of primitive groove and primitive ridge
Answer : Primitive streak consisting of primitive groove and primitive ridge
3. Thermocline is
(a). summer stratification
(b). evaporation
(c). movement of water due to wind
(d). movement of water due to temperature
Answer : summer stratification
4. Which one of the following is a nitrogen fixing bacteria?
(a). Rhizobium
(b). Nitrobacter
(c). Nitrosomonas
(d). Clostridium tetani
Answer : Rhizobium
5. Cows and deer eat grass and these animals are eaten by Lion or Tiger and in this, which of these is a correct answer
(a). Cows and Deer are carnivores
(b). Lion and Tiger are primary consumers
(c). Lion and Tiger are secondary consumers
(d). Cows and Deer are secondary consumer
Answer : Lion and Tiger are secondary consumers
6. The distribution of animals and plants in time is called as
(a). altitudinal distribution
(b). geologic distribution
(c). geographic distribution
(d). vertical distribution
Answer : geologic distribution
7. Inheritance of blood group is an example of
(a). Sex-linked inheritance
(b). Multiple allelic inheritance
(c). Epistasis
(d). Polygenic inheritance
Answer : Multiple allelic inheritance
8. A man showing 47 chromosome in his karyotype with an additional chromosome in the
18th pair is
(a). Edward's syndrome
(b). Patau syndrome
(c). Down's syndrome
(d). Down's syndrome
Answer : Edward's syndrome
9. The different alleles of a trait, in a F1 hybrid separate at the time of gametogenesis and
enter into different gametes. This is the basis for
(a). Law of dominance
(b). Law of segregation
(c). Law of independent assortment
(d). Law of incomplete dominance
Answer : Law of segregation
10. Starch is a
(a). monosaccharide
(b). disacchande
(c). homo polysaccharide
(d). hetero polysaccharide
Answer : homo polysaccharide
11. Glochidium larva is present in the phylum
(a). Echinodermata
(b). Mollusca
(c). Arthropoda
(d). Annelida
Answer : Mollusca
12. Sponge eliminates water from the body through
(a). Dermal pore
(b). Osculum
(c). Spongocoel
(d). Amoebocyte
Answer : Osculum
13. Presence of Schuffner's Granules in RBC indicates the disease
(a). Sleeping Sickness
(b). Amoebiasis
(c). Malaria
(d). Kala Azar
Answer: Malaria
14. Octopus belongs to class
(a). Mollusca
(b). PeIecypoda
(c). Cephalopoda
(d). Gastropoda
Answer : Cephalopoda
15. The sense organ found in Pila is
(a). Radula
(b). Osphradium
(c). Mantle
(d). Ctenidia
Answer : Osphradium
16. The narrow region of the uterus is called
(a). Cervix
(b). Ovary
(c). Colon
(d). Larynx
Answer : Cervix
17. Karyotype of human male and female are respectively
(a). 44A + XO and 44A + XY
(b). 42A + XY and 42A + XX
(c). 44A + XY and 44A + XX
(d). 43A + XY and 43A + XX
Answer : 44A + XY and 44A + XX
18. Decreased level of blood glucose is called
(a). Hypoglycemia
(b). Polycythemia
(c). Hyperglycemia
(d). Ketosis
Answer : Hypoglycemia
19. Ink sac is present in
(a). Nautilus
(b). Fresh water mussel
(c). Star fish
(d). Sepia
Answer : Sepia
20. Increase in phenyl pyruvic acid in blood is due to the metabolic disorder causes the disease
(a). Pentosuria
(b). Phenyl ketonuna
(c). Alkaptonuria
(d). Albinism
Answer : Phenyl ketonuna
21. The operon model of gene regulation in prokaryotes was proposed by
(a). Wilkins and Franklin
(b). Meselson and Stahl
(c). Jacob and Monad
(d). Beadle and Tatum
Answer : Jacob and Monad
22. Turner syndrome is depicted by
a. XXY
b. XO
c. XYY
d. XY
Answer: XO
23. One gene one enzyme hypothesis is proposed by
a. Beadle and Tatum
b. Watson and Crick
c. Jacob and Monod
d. Landsteiner and Weinberg
Answer: Beadle and Tatum
(a). Turners syndrome
(b). Sickle cell anemia
(c). Hemophilia
(d). Down Syndrome
Answer: Option-D
2. In Birds, the area pellucida develops into
(a). Organ
(b). Primitive pit
(c). The Henson's node
(d). Primitive streak consisting of primitive groove and primitive ridge
Answer : Primitive streak consisting of primitive groove and primitive ridge
3. Thermocline is
(a). summer stratification
(b). evaporation
(c). movement of water due to wind
(d). movement of water due to temperature
Answer : summer stratification
4. Which one of the following is a nitrogen fixing bacteria?
(a). Rhizobium
(b). Nitrobacter
(c). Nitrosomonas
(d). Clostridium tetani
Answer : Rhizobium
5. Cows and deer eat grass and these animals are eaten by Lion or Tiger and in this, which of these is a correct answer
(a). Cows and Deer are carnivores
(b). Lion and Tiger are primary consumers
(c). Lion and Tiger are secondary consumers
(d). Cows and Deer are secondary consumer
Answer : Lion and Tiger are secondary consumers
6. The distribution of animals and plants in time is called as
(a). altitudinal distribution
(b). geologic distribution
(c). geographic distribution
(d). vertical distribution
Answer : geologic distribution
7. Inheritance of blood group is an example of
(a). Sex-linked inheritance
(b). Multiple allelic inheritance
(c). Epistasis
(d). Polygenic inheritance
Answer : Multiple allelic inheritance
8. A man showing 47 chromosome in his karyotype with an additional chromosome in the
18th pair is
(a). Edward's syndrome
(b). Patau syndrome
(c). Down's syndrome
(d). Down's syndrome
Answer : Edward's syndrome
9. The different alleles of a trait, in a F1 hybrid separate at the time of gametogenesis and
enter into different gametes. This is the basis for
(a). Law of dominance
(b). Law of segregation
(c). Law of independent assortment
(d). Law of incomplete dominance
Answer : Law of segregation
10. Starch is a
(a). monosaccharide
(b). disacchande
(c). homo polysaccharide
(d). hetero polysaccharide
Answer : homo polysaccharide
11. Glochidium larva is present in the phylum
(a). Echinodermata
(b). Mollusca
(c). Arthropoda
(d). Annelida
Answer : Mollusca
12. Sponge eliminates water from the body through
(a). Dermal pore
(b). Osculum
(c). Spongocoel
(d). Amoebocyte
Answer : Osculum
13. Presence of Schuffner's Granules in RBC indicates the disease
(a). Sleeping Sickness
(b). Amoebiasis
(c). Malaria
(d). Kala Azar
Answer: Malaria
14. Octopus belongs to class
(a). Mollusca
(b). PeIecypoda
(c). Cephalopoda
(d). Gastropoda
Answer : Cephalopoda
15. The sense organ found in Pila is
(a). Radula
(b). Osphradium
(c). Mantle
(d). Ctenidia
Answer : Osphradium
16. The narrow region of the uterus is called
(a). Cervix
(b). Ovary
(c). Colon
(d). Larynx
Answer : Cervix
17. Karyotype of human male and female are respectively
(a). 44A + XO and 44A + XY
(b). 42A + XY and 42A + XX
(c). 44A + XY and 44A + XX
(d). 43A + XY and 43A + XX
Answer : 44A + XY and 44A + XX
18. Decreased level of blood glucose is called
(a). Hypoglycemia
(b). Polycythemia
(c). Hyperglycemia
(d). Ketosis
Answer : Hypoglycemia
19. Ink sac is present in
(a). Nautilus
(b). Fresh water mussel
(c). Star fish
(d). Sepia
Answer : Sepia
20. Increase in phenyl pyruvic acid in blood is due to the metabolic disorder causes the disease
(a). Pentosuria
(b). Phenyl ketonuna
(c). Alkaptonuria
(d). Albinism
Answer : Phenyl ketonuna
21. The operon model of gene regulation in prokaryotes was proposed by
(a). Wilkins and Franklin
(b). Meselson and Stahl
(c). Jacob and Monad
(d). Beadle and Tatum
Answer : Jacob and Monad
22. Turner syndrome is depicted by
a. XXY
b. XO
c. XYY
d. XY
Answer: XO
23. One gene one enzyme hypothesis is proposed by
a. Beadle and Tatum
b. Watson and Crick
c. Jacob and Monod
d. Landsteiner and Weinberg
Answer: Beadle and Tatum
24:-Flame cells are found in
A:-coelenterates
B:-molluscs
C:-flat worms
D:-protozoans
Ans: C
25:-When an abnormal egg without sex chromosome is fertilised by a sperm with X chromosome,the resulting individual is affected by
A:-Down's syndrome
B:-Turner's syndrome
C:-Kline felter's syndrome
D:-Patau's syndrome
Ans: B
26:-Transcription is the formation of
A:-DNA
B:-protein
C:-enzyme
D:-RNA
Ans: D
27:-Which of the following is not present in bacteria ?
A:-cell wall
B:-mitochondria
C:-mesosome
D:-ribosome
Ans: B
28:-Entemophily is
A:-pollination by insects
B:-pollination by wind
C:-pollination by bat
D:-pollination by water
Ans: A
29:-An example of sex linked inheritance is
A:-AIDS
B:-haemophilia
C:-cancer
D:-hepatitis
Ans: B
30. In which organ the RBC is synthesised?
A:-Spleen
B:-Bone marrow
C:-Liver
D:-Heart
Ans: B
A:-coelenterates
B:-molluscs
C:-flat worms
D:-protozoans
Ans: C
25:-When an abnormal egg without sex chromosome is fertilised by a sperm with X chromosome,the resulting individual is affected by
A:-Down's syndrome
B:-Turner's syndrome
C:-Kline felter's syndrome
D:-Patau's syndrome
Ans: B
26:-Transcription is the formation of
A:-DNA
B:-protein
C:-enzyme
D:-RNA
Ans: D
27:-Which of the following is not present in bacteria ?
A:-cell wall
B:-mitochondria
C:-mesosome
D:-ribosome
Ans: B
28:-Entemophily is
A:-pollination by insects
B:-pollination by wind
C:-pollination by bat
D:-pollination by water
Ans: A
29:-An example of sex linked inheritance is
A:-AIDS
B:-haemophilia
C:-cancer
D:-hepatitis
Ans: B
30. In which organ the RBC is synthesised?
A:-Spleen
B:-Bone marrow
C:-Liver
D:-Heart
Ans: B
- Zoology
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- Zoology Notes- Page 1- Nutrition
- Zoology Notes- Page 2- Balanced Diet
- Zoology Notes- Page 3- Human Digestive System
- Zoology Notes- Page 4- Human Respiration
- Zoology Notes- Page 5- Genetics