Class 10 Heredity And Evolution CBSE Questions & Answers

Class 10 · Heredity And Evolution

Class 10 Heredity and Evolution CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Who was the first scientist to isolate DNA?
  • A
    Frederick
    Correct
  • B
    Darwin
  • C
    Weismann mishear
  • D
    Watson and crick
2
To which class of vertebrates would you assign Archaeopteryx ?
  • A
    Reptile
  • B
    Ambhibian
  • C
    Fishes
  • D
    Aves
    Correct
3
Which of the following is not true about Eukaryotes?
  • A
    Eukaryote chromosomes can be see during the process of cell division
  • B
    Eukaryote chromosomes are haploid
    Correct
  • C
    Eukaryote chromosomes are made of DNA
  • D
    Eukaryote chromosome are linear in shape
4
In which of the following animals the sex determination is controlled by the environmental factors?
  • A
    American salamanander
  • B
    Turtle
    Correct
  • C
    Frog
  • D
    Snake
5
The organism which has been genetically altered by introducing the genes from other organism is known as
  • A
    None of these
  • B
    GMO
    Correct
  • C
    Both UFO and GMO
  • D
    UFO
6
‘Theory of inheritance of acquired characters’ proposed by Lamarck was criticized by
  • A
    Mendel
  • B
    J. B. S Haldane
  • C
    Darwin
  • D
    Weisman
    Correct
7
The two complementary strands of DNA carry the biological information
  • A
    slightly different
  • B
    different
  • C
    Slightly same
  • D
    Same
    Correct
8
Between which two groups of vertebrates does archaeopteryx serve as connecting Link?
  • A
    Reptiles and Amphibian
  • B
    Reptiles and Aves
    Correct
  • C
    Amphibian and Aves
  • D
    Reptiles and fishes
9
Which phenomena can bring about variation in a clone?
  • A
    Biotechnology
  • B
    Genetic drift
  • C
    Mutation
    Correct
  • D
    Genetic engineering
10
Which of the following was not the out come of Mendel’s experiments?
  • A
    Segregation of factors
  • B
    Factors reside in chromosomes
    Correct
  • C
    Independent assortment
  • D
    Dominant trait
11
What happened when Mendel crossed two varieties of a character (such as tall and short) in pea?
  • A
    Both characters appeared in equal numbers in F1
  • B
    Only the recessive character appeared in F1
  • C
    The offspring were a bend of the two characters
  • D
    Only the dominant character appeared in F1
    Correct
12
The hereditary units are DNA molecules of certain lengths called
  • A
    chromosomes
  • B
    alleles
  • C
    genes
    Correct
  • D
    factors
13
Who proved the evidence of DNA as a genetic Material?
  • A
    Weismann
  • B
    Frederick meisner
    Correct
  • C
    Gregor Mendel
  • D
    Lamarck
14
Find the statement which is not true
  • A
    The nictitating membrane in human eye is a vestigial organ
  • B
    Biogenetic law was proposed by Darwin
    Correct
  • C
    A chimpanzee can hold object by its hand and an elephant by its trunk
  • D
    All vertebrates embryos show some embryological evidence in support of their common ancestry
15
Which vestigial organ in man suggests that he is a descendent of hervivorous animals?
  • A
    pinna
  • B
    Nictitating membrane
  • C
    Appendix
    Correct
  • D
    All of these