WBBSE For Class 9 Life Science Chapter 1 Life And Its Diversity MCQS

by

Chapter 1 Life And Its Diversity Life And Its Diversity Plant Kingdom MCQs

Question 1. Bryophytes are — :

  1. Embryophytes
  2. Pioneer land plants
  3. All of these
  4. Amphibians of the plant kingdom

Answer: 4. Amphibians of the plant kingdom.

Question 2. Which group of plants is known as vascular cryptogams?

  1. Bryophyta
  2. Pteridophyta
  3. Gymnosperm
  4. Algae

Answer: 2. Pteridophyta.

Read And Learn More WBBSE Solutions For Class 9 Life Science And Environment MCQs

Question 3. Kelps are marine —

  1. Angiosperm
  2. Red algae
  3. Green algae
  4. Brown algae

Answer: 4. Brown alga.

Question 4. Multicellular rhizoids occur in —

  1. Liver worts
  2. Hornworts
  3. Mosses
  4. None of these

Answer: 3. Mosses.

WBBSE For Class 9 Life Science Chapter 1 Life And Its Diversity MCQS

Wbbse Class 9 Life Science Chapter 1 Mcq With Answers

Question 5. Spirulina belongs to kingdom —

  1. Monera
  2. Fungi
  3. Plantae
  4. Animalia

Answer: 1. Monera.

Question 6. An alga which is rich in protein is —

  1. Ulothrix
  2. Spirogyra
  3. Nostoc
  4. Chlorella

Answer: 4. Chlorella.

Question 7. Which one of the following plants is monoecious?

  1. Marchantia
  2. Pinus
  3. Cycas
  4. Papaya

Answer: 2. Pinus.

Question 8. Which one is an edible e-fungus?

  1. Mucor
  2. Penicillium
  3. Rhizopus
  4. Agaricus

Answer: 4. Agaricus.

Question 9. Component of the cell wall of fungi is —

  1. Cellulose
  2. Pectin
  3. Chitin
  4. Dextrin

Answer: 3. Chitin.

Life And Its Diversity Class 9 Mcq Wbbse

Question 10. A plant with a naked seed is —

  1. Mango
  2. Cycas
  3. Fern
  4. Neem

Answer: 2. Cycas.

Question 11. Which of the following is a prokaryote?

  1. Amoeba
  2. Spirogyra
  3. Bacteria
  4. Chlamydomonas

Answer: 3. Bacteria.

Question 12. The lichen represents a symbiotic relationship between —

  1. Algae and bacteria —
  2. Fungi and higher plants
  3. Algae and fungi
  4. Bacteria and virus :

Answer: 3. Algae and fungi.

Question 13. A thalloid bryophyte is —

  1. Riccia
  2. Pogonatum
  3. Dryopteris
  4. Lycopodium

Answer: 1. Riccia.

Question 14. Angiosperms are included under —

  1. Embryophyta
  2. Trachaeophyta
  3. Spermatophyta
  4. Each of them

Answer: 4. Each of them.

Wbbse Class 9 Life Science Chapter 1 Multiple Choice Questions

Question 15. In fungi, reserve food is —

  1. Starch
  2. Cellulose
  3. Glycogen
  4. All of these

Answer: 3. Glycogen.

Question 16. Fern rhizome is —

  1. Root
  2. Stem
  3. Rhizoid
  4. Rhizophore

Answer: 3. Rhizoid.

Question 17. The smallest flower is of —

  1. Carica papaya
  2. Nelumbo nucifera
  3. Wolfia micro scopia_
  4. Rafflesia

Answer: 3. Wolfia micro scopia.

Question 18. Which part of the coconut is eaten?

  1. Entire seed
  2. Embryo
  3. Pericarp
  4. Seed coat

Answer: 1. Entire seed.

Question 19. Which one is a parasitic algae?

  1. Sargassum
  2. Ulothrix
  3. Cephaleuros
  4. Oedogonium

Answer: 3. Cephaleuros.

Question 20. Which one is not a root vegetable?

  1. Potato
  2. Turnip
  3. Carrot
  4. Sweet potato

Answer: 1. Potato.

Chapter 1 Life And Its Diversity Animal Kingdom MCQs

Question 1. Which of the following is ectoparasite in other fishes —

  1. Dogfish
  2. Lamprey
  3. Rohu
  4. Label

Answer: 2. Lamprey.

Question 2. Which of the following is a toad?

  1. Hyla
  2. Bufo
  3. Rana
  4. Tree frog

Answer: 2. Bufo.

Life And Its Diversity Mcq For Class 9 West Bengal Board

Question 3. Which of the following is a flying lizard?

  1. Wall lizard
  2. Varanus
  3. Draco
  4. Monitor lizard

Answer: 3. Draco.

Question 4. “Venus flower basket” is the popular name of —

  1. Spongilla
  2. Sea lily
  3. Euplectella
  4. Obelia

Answer: 3. Euplectella.

Question 5. Leach is —

  1. Endoparasite
  2. Ectoparasite
  3. Vector
  4. Free-living

Answer: 2. Ectoparasite.

Question 6. The anti-coagulant produced by Leech is —

  1. Heparin
  2. Hirudin
  3. Oxalates
  4. Citrates

Answer: 2. Hirudin.

Question 7. A characteristic feature of mollusks is —

  1. Soft body
  2. Shell
  3. Foot
  4. Mantle

Answer: 4. Mantle.

Question 8. The centipedes have —

  1. 100 legs
  2. 100-200 legs
  3. A pair of legs per trunk segment
  4. Equal to the body segment

Answer: 3. A pair of legs per each trunk segment.

Class 9 Life Science Chapter 1 Mcq Questions With Solutions

Question 9. The water vascular system is a characteristic of —

  1. Sponges
  2. Motluses
  3. Coelenterates
  4. Echinoderm

Answer: 4. Echinoderm.

Question 10. The internal body cavity of coelenterates is —

  1. Haemocoel
  2. Coelom
  3. Enter on
  4. Pseudocoel

Answer: 3. Enteron.

Question 11. Which one Arthopodes is viviparous?

  1. Cockroach
  2. Scorpion
  3. Prawn
  4. Centipede

Answer: 2. Scorpion.

Question 12. Which of the following is not a true fish?

  1. Dogfish
  2. Jellyfish
  3. Flying fish
  4. Goldfish

Answer: 2. Jellyfish.

Question 13. All are cold-blooded animals except

  1. Crocodile
  2. Varanus
  3. Snake
  4. Pigeon

Answer: Pigeon.

Question 14. The bat is a true —

  1. Bird
  2. Flying mammal
  3. Flying fish
  4. Flying lizard

Answer: 2. Flying mammal.

Wbbse Life Science Class 9 Chapter 1 Important Mcqs

Question 15. The scorpion respires through —

  1. Gills
  2. Spiracles
  3. Book lung
  4. Trachea

Answer: 3. Book lung.

Question 16. The basic unit of classification is —

  1. Order
  2. Class
  3. Species
  4. Family

Answer: 3. Species.

Question 17. Animals having innumerable pores in their body are grouped under—

  1. Porifera
  2. Coelenterata
  3. Protozoa
  4. Mollusca

Answer: 1. Porifera.

Question 18. Acoelomate animals fall under the phylum —

  1. Nemathelminthes _
  2. Platyhelminthes
  3. Annelida
  4. Arthropoda

Answer: 2. Platy helminths.

Question 19. One of the following animals get already digested food and need not digest it again. It is —

  1. Amoeba
  2. Cockroach
  3. Leech
  4. Taenia

Answer: 4. Taenia.

West Bengal Board Class 9 Life Science Mcq Chapter 1

Question 20. The Largest number of animals belong to —

  1. Mammalia
  2. Arthropoda
  3. Reptilia
  4. Pisces

Answer: 2. Arthropoda.

Question 21. The body of hydra is —

  1. Monoblastic
  2. Triploblastic
  3. Diplomatic
  4. Polyblastic

Answer: 3. Diploblastic.

Question 22. The ink gland is found in—

  1. Sepia
  2. Octopus
  3. Loligo
  4. All of these

Answer: 4. All of these.

Question 23. True flight is found in —

  1. Flying fish
  2. Flying lizard
  3. Flying frog
  4. Bat

Answer: 4. Bat.

Question 24. Mammary glands are modification of —

  1. Salivary gland
  2. Sebaceous gland
  3. Sweat gland
  4. Lacrymal gland

Answer: 2. Sebaceous gland.

Life And Its Diversity Class 9 Mcq In Bengali Medium

Question 25. The phylum of which animals can live on land, in water, and can also fly is— 

  1. Arthropoda
  2. Protozoa
  3. Mollusca
  4. Annelida

Answer: 1. Arthropoda.

Question 26. Which one of we following animals is not a vertebrate?

  1. Fish
  2. Pigeon
  3. Garden lizard
  4. Amphioxus

Answer: 4. Amphioxus.

Question 27. Stinging cells are found in —

  1. Frog
  2. Snake
  3. Hydra
  4. Snail

Answer: 3. Hydra. :

Question 28. The bat differs from a bird in having —

  1. Four chambered heart
  2. Diaphragm
  3. Wings
  4. Small brain

Answer: 2. Diaphragm.

Question 29. The animals of which invertebrate phylum consists kidney-like structure for excretion?

  1. Arthropoda
  2. Mollusca
  3. Porifera
  4. Echinodermata

Answer: 2. Mollusca.

Question 30. The excretory organ of earthworms is —

  1. Nephirdia
  2. Kidney
  3. Trachea
  4. Gills

Answer: 1. Nephirdia.

Class 9 Life Science Mcq Wbbse Board Chapter 1

Chapter 1 Life And Its Diversity Life and Biology MCQs

Question 1. Who first recognized plants and animals as living objects?

  1. Linnaeus
  2. Aristotle
  3. Pavlov
  4. Phillipson

Answer: 2. Ristotle

Question 2. In which of the following leaves protoplasmic movement is clearly observed under microscope —

  1. Vallisneria leaf
  2. China rose leaf
  3. Lotus leaf
  4. Lemna leaf

Answer: 1. Vallisneria leaf

Question 3. The constructive phase in which food materials are built up into more complex substances is called —

  1. Catabolism
  2. Metabolism
  3. Anabolism
  4. None of these

Answer: 3. Anabolism

Question 4. Movement with the help of flagella is observed in —

  1. Paramaecium
  2. Euglena
  3. Amoeba
  4. Hydra

Answer: 2. Euglena

Question 5. The characteristic of life is —

  1. Respiration
  2. Movement
  3. Growth
  4. All of these

Answer: 4. All of these

Question 6. Life first originated in Earth —

  1. In the soil
  2. In air
  3. In rocks
  4. In water

Answer: 4. In water

Question 7. The study of the classification of plants and animals based on their relationship, resemblances, and differences is called —

  1. Ecology
  2. Taxonomy
  3. Anatomy
  4. Genetics

Answer: 2. Taxonomy

Question 8. The term ecology was proposed by —

  1. Haeckel
  2. Pavlov
  3. Simpson
  4. Tansey

Answer: 1. Haeckel

Wbbse Class 9 Life Science Chapter 1 Mcq Online Test

Question 9. Biology and Statistics together form a subject called —

  1. Bionics
  2. Biometry
  3. Bioinformatics
  4. Bio-Geography

Answer: 2. Biometry

Question 10. The subject which deals with the study of cells is called —

  1. Genetic
  2. Cytology
  3. Taxonomy
  4. Pathology

Answer: 2. Cytology

Question 11. The branch of science which deals with birds is called —

  1. Apiculture
  2. Pisciculture
  3. Ornithology
  4. None of these

Answer: 3. Ornithology

Question 12. The branch of science which deals with the study of bacteria is called —

  1. Dendrology
  2. Agrostology
  3. Bacteriology
  4. Helminthology

Answer: 3. Bacteriology

Leave a Comment