CBSE Questions for Class 10 Biology How Do Organisms Reproduce Quiz 7 - MCQExams.com

Although organisms die, their kind continues to live on Earth. Which characteristic of living organisms makes this possible? 
  • Respiration
  • Reproduction
  • Excretion
  • Movement
Lila observed that a pond with clear water was covered up with green algae within a week. By which method of reproduction did the algae spread so rapidly? 
  • Budding
  • Sexual reproduction
  • Fragmentation
  • Pollination
Choose the odd one out from below with respect to reproduction.
  • Eggs of hen
  • Seeds of plants
  • Buds of potato
  • Roots of mango tree
Pollination refers to the:
  • Transfer of pollen from anther to ovary.
  • Transfer of female gametes from anther to stigma.
  • Transfer of pollen from anther to stigma.
  • Transfer of pollen from anther to ovule.
Vegetative reproduction is found in: 
  • Potato
  • Wheat
  • Neem
  • Pea
The female reproductive hormone is:
  • Testosterone
  • Osteocalcin 
  • Adrenaline
  • Estrogen
Fusion of male and female gametes is called
  • Pollination
  • Fertilization
  • Budding
  • Spore
Mention if the following statement is true (T) or false (F).
A flower typically has six floral whorls. 
  • True
  • False
Reproductive whorls of a flower are:
  • Stamens and carpels
  • Sepals and petals
  • Sepals and stamens
  • Petals and carpels
Mention if the following statement is true (T) or false (F)
Stigma may be simple or divided into two or more lobes. 
  • True
  • False
The part of the flower that develops into a fruit after fertilization, is __________.
  • Sepal
  • Petal
  • Ovary
  • Stamen
The ovule develops and becomes the fruit. 
  • True
  • False
The part of the flower that gives rise to the seed is:
  • Ovary
  • Petal
  • Ovule
  • Pollen grain
During the menstrual cycle, how many days the menstruation occurs?
  • 2 to 8 days
  • 8 to 12 days
  • 13 to 20 days
  • 26 to 30 days
The primary sex organ found in human males is:
  • Ovary
  • Testis
  • Urethra
  • Both A and B
Fill in the blank:
The generation of variation is a fairly ________ process.
  • slow
  • fast
  • steady
  • None of the above
What is the purpose of combining variations from two or more individuals by sexual reproduction?
  • To create new combinations of variants.
  • To make DNA copying mechanism accurate.
  • To decrease the chances of survival.
  • To ensure no variants are created.
State whether the given statement is True or False.
The female gamete is motile.
  • True
  • False
In which process is the number of chromosomes is reduced to half?
  • Mitosis
  • Meiosis
  • Budding
  • Fragmentation
State whether the given statement is True or False.
Clones can be produced by sexual reproduction.
  • True
  • False
State whether the given statement is True or False.
Cows reproduce sexually.
  • True
  • False
Which of the given organisms reproduce sexually?
  • Amoeba
  • Paramecium
  • Anura
  • Hydra
Reproduction is the most basic level which involve making copies of the blueprints of body design.
  • True
  • False
All organisms multiply or reproduce their ________.
  • Own kind
  • Different kind
  • Both A and B
  • None of the above
During adolescence, the body of boys and girls undergoes certain changes. Given below are a few of those changes. Find which changes occur in boys:
(a) Broad shoulders
(b) Wider chests
(c) Broadening of the hip region
(d) Development of muscles
(e) Development of mammary glands
(f) Growth of facial hair
(g) Acne and pimples on the face
(h) Development of sex organs
(i) High-pitched voice
(j) Growth of pubic hair
  • Broad shoulders, wider chests, development of muscles, growth of facial hair, acne and pimples on face, development of sex organs, growth of pubic hair.
  • Broadening of the hip region, broad shoulders, wider chests, development of muscles, growth of facial hair, acne and pimples on the face, development of sex organs, growth of pubic hair.
  • Development of mammary glands, acne and pimples on face, development of sex organs, growth of pubic hair.
  • Broadening of the hip region, broad shoulders, wider chests, development of muscles, growth of facial hair.
Contraceptive oral pills help in birth control process by
  • Preventing ovulation
  • Killing the ova
  • Killing the sperms
  • Forming barriers between sperms and ova
Male gametes and sex hormones are produced in structure ______.

454942.JPG
  • L
  • X
  • P
  • Z
What could be the reasons for adopting contraceptive methods?
  • To maintain the population size by preventing unwanted pregnancies.
  • To maintain the distance between two children and to plan the family size.
  • To prevent sexually transmitted diseases.
  • All of the above
Organisms in population A, have no genetic variations, and organisms of population B, have genetic variations. Based on this information, choose the correct statement.
  • Population A is more stable than population B.
  • Population B is more stable than population A.
  • Both population A and population B are stable.
  • Stability cannot be determined from the presence or absence of variations.
A plant produced $$50$$ flowers. Ovary of each flower has $$50$$ ovules. How many fruits and seeds are produced by that plant respectively?
  • $$50, 50$$
  • $$50, 100$$
  • $$50, 2500$$
  • $$2500, 2500$$
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 10 Biology Quiz Questions and Answers