Reproduction in Organisms MCQ

Reproduction in Organisms MCQ/Objective Questions Chapter 1 Biology Class 12

All these organisms reproduce asexually except one. The organism that reproduces sexually among these is:

• a. Amoeba
• b. Paramecium
• c. Yeast
• d. Annelids

Answer

d. Annelids

Through which part vegetatve propagation in bryophulum occur?

• a. Leaf
• b. Stem
• c. Root
• d. Spines

Answer

Hydra reproduce by:

• a. Ascospore
• b. Fission
• c. Budding
• d. Zygospore

Answer

c. Budding

Which plant follower only once in life?

• a. Potato
• b. Mango
• c. Bamboo
• d. Babool

Answer

c. Bamboo

In Munnar districts of Kerela Neelakurinji (Strobilanthus kunthiana) flowered in which year?

• a. 2012
• b. 2016
• c. 2018
• d. 2020

Answer

c. 2018

Explanation

Neelakuranji flower in mass only after 12 year. Last time they flowered in 2018.

In cucurbits and coconut male and female flowers both occur on the same plant. So, they are _ _ _ _.

• a. Dioecious
• b. Monoecious
• c. Both
• d. None

Answer

b. Monoeciuous

Which among these is a dioecious plant?

• a. Papaya
• b. Coconut
• c. Date palm
• d. a and c

Answer

d. a and c

Why externally fertilizing organisms (both plants and animals) produces large number of sperms and ovum?

• a. Games meant for external fertilization require lesser energy
• b. Such sperms and ovum are less agile
• c. Only a few survive as they are prone to external dangers.
• d. Here, there are lesser chances of fusion of gamets.

Answer

c. Only a few survive as they are prone to external dangers.

Which among these do not have a haploid body?

• a. Monera
• b. Fungi
• c. Bryophytes
• d. Pteridophytes

Answer

d. Pteridophytes

In bisexual flowers/perfect flowers the male and the female part is present on:

• a. Same flower
• b. Same plant but on the different flower
• c. Different plants
• d. None

Answer

a. Same flower

Transfer of pollen grain to stigma is called:

• a. Fertilization
• b. Pollination
• c. Embryogenesis
• d. None

Answer

b. Pollination

Which among these is a vivparous animal?

• a. Fishes
• b. Birds
• c. Reptiles
• d. Mammals

Answer

d. Mammals

Egg laying mammals represent the connecting ling between mammals and reptiles. Which among these is a egg laying mammal?

• a. Echidna
• b. Porcupine
• c. Rat
• d. Bat

Answer

a. Echidna/platypus

Fusion of gamets is called

• a. Homogamy
• b. Heterogamy
• c. Syngamy
• d. None

Answer

c. Syngamy

Development of female gamet into an animal without the presence of male gamet is called:

• a. Karyogamy 
• b. Plasmogamy
• c. Parthenogenesis
• d. Hetrogamy

Answer

c. Parthenogenesis

Which organisms among these show parthenogenesis?

• a. Rotifers
• b. Honeybees
• c. Some lizards and turkey
• d. All three

Answer

d. All three

See also:

Sexual Reproduction In Flowering Plants MCQ

 

Reproduction in Organisms MCQ/Objective Questions Chapter 1 Biology Class 12

Ref: Ch 1.