12th Exam Biology Most VVI Objective Model Set Question in English
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>> Class 12th Board Biology Model Set Paper Question on Latest Pattern
BIOLOGY MODEL SET QUESTION – 1
1. Which one is diploid structure?
(A) Ovaries
(B) Endosperm
(C) Zygote
(D) All of these
| Answer:- (C) |
2. Oncogene is responsible for:
(A) Cancer
(B) AIDS
(C) Tuberculosis
(D) Polio
| Answer:- (A) |
3. Which one is hydrophytic plant?
(A) Trapa
(B) Opuntia
(C) Dulbergia
(D) Acacia
| Answer:- (A) |
4. Fertilization outside the body is called –
(A) In vitro
(B) In vivo
(C) Both
(D) None
| Answer:- (A) |
5. World Environment day is celebrated on:
(A) 5th June
(B) 20th December
(C) 15th March
(D) 7th July
| Answer:- (A) |
6. Sertoli cells are found in :
(A) Testis
(B) Uterus
(C) Ovary
(D) Liver
| Answer:- (A) |
7. Operon Model is representation of:.
(A) Gene synthesis
(B) Gene expression
(C) Gene regulation
(D) Gene function
| Answer:- (C) |
8. Which one is not hermaphrodite animal?
(A) Tape worm
(B) Earth worm
(C) House fly
(D) Leech
| Answer:- (C) |
9. Which nitrogenous base is absent in DNA?
(A) Thymine
(B) Urácil
(C) Guanine
(D) Cytosine
| Answer:- (B) |
10. Red Date Book includes list of :
(A) Endangered plants
(B) Rare plants
(C) Threatened animals
(D) All of the above
| Answer:- (D) |
11. Thalamus is edible part of:
(A) Annoma
(b) Apple
(C) Orange
(D) All of these
| Answer:- (B) |
12. DNA is genetic material of:
(A) CMV
(B) Bacteriophase
(C) Both
(D) None
| Answer:- (B) |
13. Population explosion result in :
(A) Reduction in Income
(B) Reduction in land
(C) Reduction in Minerals
(D) All of these
| Answer:- (D) |
14. Acrosome is a part of:
(A) Head of human sperm
(B) Middle part of human sperm
(C) Primary oocyte
(D) Blastocyst
| Answer:- (A) |
15. Which one is bacterial disease?:
(A) Leprosy
(B) Tuberculosis
(C) Cholera
(D) All of these
| Answer:- (A) |
16. Chromosome number in human being (male) is :
(A) 44 + XX
(B) 44 + xy
(C) 46 + xy
(D) 46 + xx
| Answer:- (C) |
17. Acetabularia is a type of:
(A) Bacteria
(B) Algae
(C) Protozoa
(D) Single cell protein
| Answer:- (D) |
18. Cleistogamous flowers are always : –
(A) Self-Pollinated
(B) Cross pollinated
(C) Both
(D) None
| Answer:- (A) |
19. Flow of energy in food chain of an Ecosystem is :
(A) Unidirectional
(B) Bidirectional
(C) Multidirectional
(D) None
| Answer:- (A) |
20. Which blood group is called universal donor?
(A) B
(B) A
(C) AB
(D) O
| Answer:- (D) |
21. Which one is phenotypic ratio of Monohybrid cross?
(A) 1:2:1
(B) 3:1
(C) 9:3:3:1
(D) None
| Answer:- (B) |
22. Rhino sanctuary is located in which state?
(A) Assam
(B) West Bengal
(C) Uttar Pradesh
(D) Bihar
| Answer:- (A) |
23. Formation of mRNA from DNA is called :
(A) Transcription
(B) Replication
(C) Translation
(D) None
| Answer:- (A) |
24. The safe Noise level fixed by WHO is :
(A) 20 – 30 Decibel
(B) 45 Decibel
(C) 75 Decibel
(D) 90 Decibel
| Answer:- (A) |
25. Malaria is caused by :
(A) Male culex
(B) Female Anopheles
(C) Female Aedes
(D) Male Anopheles
| Answer:- (B) |
26. Bio fertilizer is present in root nodules of which non-leguminous plant?
(A) Azotobactor
(B) Clostridium
(C) Frankia
(D) None
| Answer:- (A) |
27. Which Bacterium is used in formation of curd from milk?
(A) Clostridium
(B) Lactobacillus
(C) Both a and b
(D) Streptococcus
| Answer:- (B) |
28. Inheritance of acquired characters was given by :
(A) Darwin
(B) Lamarck
(C) de vries
(D) Haeckel
| Answer:- (B) |
29. The process of formation of gametes is called
(A) Gametogenesis
(B) Cytokinesis
(C) Sporogenesis
(D) Meiocytes
| Answer:- (A) |
30. What is fertilization?
(A) Fusion of egg with male nuclei
(B) Fusion of egg with secondary nucleus
(C) Fusion of egg with synergid
(D) None of these
| Answer:- (B) |
31. Who is considered as father of genétics?
(A) Hugo de Vries
(B) Morgan
(C) Mendel
(D) Darwin
| Answer:- (C) |
32. In which stage does crossing over take place ?
(A) Leptotene
(8) Cytokinesis
(C) Pachytene
(D) Diakinesis
| Answer:- (A) |
33. Nucleic acids are polymers of
(A) Nucleotides
(B) Nucleosides
(C) Amino acids
(D) Nucleoproteins
| Answer:- (A) |
34. Elephantiasis is caused by
(A)Ascaris
(B) Taenia
(C) Wuchereria
(D) Entamoeba
| Answer:- (C) |
35. Biogas contains
(A) CO2
(B) H2S
(C) CH4
(D) All of these
| Answer:- (D) |
36. PCR is used to detect
(A) HIV
(B) Cancer
(C) TB
(D) Cholera
| Answer:- (B) |
37. Which one of the following is not Monoecious ?
(A) Papaya
(B) Mustard
(C) Maize
(D) China rose
| Answer:- (A) |
38. World Environment Day is celebrated on
(A) 6th December
(B) 5th June
(C) 6th January
(D) None of these
| Answer:- (B) |
39. How many chromosomes are present in endosperm ?
(A) n
(B) 2n
(C) 3n
(D) Both (A) and (C)
| Answer:- (D) |
40. Anemophilous flowers are usually
(A) attractive.
(B) small”
(C) colourless
(D) both (B) and (C)
| Answer:- (D) |
41. Widal test is for
(A) AIDS
(B) Malaria
(C) Tuberculosis
(D) Typhoid
| Answer:- (D) |
94. Kanha National Park is famous for
(A) Birds
(B) Crocodiles / Alligators
(C) Rhinoceros
(D) Tigers
| Answer:- (C) |
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