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Heredity and Evolution (Class X)

Heredity and Evolution

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Among the following, who is known as the Father of Genetics?

  1. Charles Robert Darwin
  2. Stanley L. Miller
  3. Gregor Johann Mendel
  4. J. B. S. Haldane
  5. Harold C. Urey
Question 2 Multiple Choice (Single Answer)

Which of the following characteristics of the pea plant's transmission to progeny was not investigated by Mendel?

  1. Colour of flowers
  2. Colour of seeds
  3. Colour of leaves
  4. Length of stem
  5. Shape of seeds
Question 3 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Heredity is the continuity of features from one generation to the next.
b. Heredity information is present in the gametes of the parents.
c. The male ovum fuses with the female sperm to form a zygote that gradually develops into an offspring.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 4 Multiple Choice (Single Answer)

If the genotype of a person is IAIB, then which of the following will be his blood group?

  1. AB
  2. O
  3. B
  4. A
  5. None of these
Question 5 Multiple Choice (Single Answer)

A trait that is caused by a change in genes is called an inherited trait. Which of the following traits is not an inherited trait?

  1. Red curly hair
  2. Brown eyes
  3. Cleft chin
  4. Long thin nose
  5. Muscular body
Question 6 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Blonde hair is a phenotype produced by the genotype HH or Hh.
b. The dihybrid cross is the inheritence of two pairs of contrasting characteristics of plants such as round-yellow seeds and wrinkled-green seeds.
c. The male and female gamete carry one gene for each characteristic from the gene pairs of parents.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 7 Multiple Choice (Single Answer)

Match the following:

 
a. Gene 1. It is the description of genes present in an organism.
b. Genotype 2. It is a unit of heridity that transfers characteristics from parents to their offsprings during reproduction.
c. Phenotype 3. It is the trait that is visible in an organism.
  1. a - 2, b - 1, c - 3
  2. a - 2, b - 3, c - 1
  3. a - 1, b - 3, c - 2
  4. a - 1, b - 2, c - 3
  5. a - 3, b - 1, c - 2
Question 8 Multiple Choice (Single Answer)

According to the studies, which of the following gases was not present in early Earth's atmosphere?

  1. Nitrogen
  2. Oxygen
  3. Ammonia
  4. Methane
  5. Carbon dioxide
Question 9 Multiple Choice (Single Answer)

Which of the following pairs of organs of animals is/are not homologous?

  1. Forelimbs of humans and lizards
  2. Forelimbs of frogs and lizards
  3. Forelimbs of humans and frogs
  4. Forelimbs of bats and butterfly
  5. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The wings of an insect and a bird are an example of analogous organs.
b. The changes in the non-reproductive body cells of an organism can be inherited by its offsprings.
c. Evolution is the sequence of gradual changes that take place in the primitive organisms over million of years in which new species are produced.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Among the following scientists, who gave The Theory of Natural Selection'?

  1. J. B. S. Haldane
  2. Harold C. Urey
  3. Isaac Newton
  4. Stanley L. Miller
  5. Charles Robert Darwin
Question 12 Multiple Choice (Single Answer)

In which of the following organisms, high incubation temperature leads to the development of female offsprings?

a. Snail
b. Lizard
c. Turtle

  1. Only a and c
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 13 Multiple Choice (Single Answer)

Using the method of artificial selection, when some farmers wanted to grow large leaves of wild cabbage, they ended up producing which of the following?

  1. Kohlrabi
  2. Kale
  3. Broccoli
  4. Cauliflower
  5. Cabbage
Question 14 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. The process in which new species develop from the existing species is known as speciation.
b. The gene that can decide the appearance of an organism only in the presence of another identical gene is called a recessive gene.
c. If a sperm carrying X chromosomes fertilises an ovum carrying X chromosome, then the child born will be a boy.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 15 Multiple Choice (Single Answer)

Match the following:

 
Types of fossils Discription
a. Trilobites 1. They were the invertebrate animals that lived in sea about 180 million years ago.
b. Dinosaurs 2. They were carnivorous or herbivorous reptiles that were common between 65 to 250 million years ago.
c. Ammonites 3. They were marine arthropods that were common between 400 to 600 million years ago.
  1. a - 3, b - 1, c - 2
  2. a - 2, b - 1, c - 3
  3. a - 1, b - 2, c - 3
  4. a - 3, b - 2, c - 1
  5. a - 2, b - 3, c - 1
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