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9th Class Biology important Objective Type Questions & Fill in The Blanks

9th Class Biology Important Objective Type Questions & Fill In The Blanks

9th Class Biology  important Objective Type Questions & Fill in The Blanks

The study of living organisms is called Biology.
The two sub divisions of biology are Botany and Zoology each of which has several branches.

Single major contribution of Muslim scientists in the field of science is the use of Experiments.
Morphology deals with the study of external structural characteristics of plants and animals.
The study of microorganisms is known as Microbiology.
Physiology is the study of the functions of different organs of an organism.
The study of relationship between organisms and their environment is called Ecology.
Biology is the combination of two Greek words.
Bios means Life and Logos meaning Study.
The study of transmission of characters from parents to offspring is called Genetics.
Simply study of cells is called cytology or cell biology.
The study of tissues of plants and animals is called Histology.
The identification, naming and classification of organisms into groups and sub groups is called Taxonomy.
Biotechnology deals with the application of biological processes for the benefit of mankind.
Plasmodium causes Malaria.
Plasmodium is present in the saliva of the Female Anopheles mosquito.
Experiment is the practical testing of hypothesis and deduction.
Hypothesis is an intelligent guess made by scientist about the solution of a certain phenomenon.

Antonyvan leeuwen hoek, involved compound microscope in 1660.
Bacteria were discovered in 1776.
Ali Bin Isa was a well known Eye specialist of this time.
Firdaus-ul-Hikma was written by Ali Bin Rabban Tubri.
Ibn-ul-Nafees described the circulation of blood during the 13th century A.D
Willikum Harvey described circulation of blood during 15th century.
Abdul Malik Asmai was regarded as a specialist of his time in Animal Sciences.
Al Wahoosh was written by Abdul Malik Asmai.
Khala-qul-Insan is about different parts of human body and their functions.
Al-Farabi was a renowned Hakim and Surgeon of Islamic World.
Abul Qasim Al-Zahravi was famous for the removal of stone from the urinary bladder.
Kitab-i-Nabatat and Kitab-ul-Haywanat were written by Al-Farabi.
Kitabul Manazir and Mizan-ul-Hikma were written by Ibn-al-Haitham.
Ibn-al-Haitham was the first one to correct the Greek conception of vision locating retina as the seat of vision.
Bu Ali Sina is considered to be one of the founders of medicine.
Zia-ud-din Ibn Batar was specialist in the study of Plants.
Hayat-al-Haywan was written by Kamal-ud-din-al-Damari.
Abul Qasim Majreeti is specially known inEuropefor his book on animal species.
Al-Haywan was written by Al-Jahiz.
An Egyptian, Mafassar, Allama Abdullah Yousuf Ali has symbolished water with Protoplasm.
Protoplasm is the physical basis of all living matter.
Quinine is obtained from Cinchona plant.
Quinine is used in the treatment of Malaria.
Al-Qanoon and Fil Tib Al-Shifa were written by Bu-Ali Sina.
Al-Nabatat was written by Jabir Bin-Hayan.
Phrastus discovered sex in plants and is known as founder of Botany.
Hitoria Animalia is written by Aristotle.
Carolus Linnaeus was a founder of biological classification.
Galileo in 1610 invented microscope.
Schleiden, Schwan and R. Virchow formulated Cell theory.
Joseph Lister in 1860 discovered antiseptics.
Charles Darwin wrote a famous book “Origin of Species”.
Deduction is a logical explanation of a hypothesis.
Gregor John Mendel gave his famous Laws of heredity.
Watson and Crick proposed double helix model of DNA.
Cytology is also called Cell-biology.
Origin of species is written by Charles Darwin.

1. Fill in the blanks with appropriate terms:

i. Previously, living organisms were classified into two kingdoms namely plant kingdom and ________ kingdom.

ii. Whittaker proposed ______ kingdoms.

iii. Kingdom Protista has been renamed as __________.

iv. Kingdom Monera contains all _________ organisms.

v. A single filament of Nostoc looks like a _________ of beads.

2. Write whether the statements are true or false:

i. Kingdom protoctista includes all the eukaryotic organisms, which are no longer classified as animals, plants or fungi.

ii. Bacteria, Cyanobacteria, Protozoa are all micro-organisms.

iii. Electron microscope was constructed in the year 1945.

iv. Virus mainly consists of capsid and Nucleic acid.

v. AIDS is a disease caused by bacteria.

3. Encircle the appropriate answer:

i. Virus are:

a) Cellular b) Non-cellular

c) Acellular d) Unicellular

ii. Characteristic of viruses due to which they are considered as living.

a) Non cellular structure b) Total parasite

c) Undergo crystallization d) Undergo reproduction

iii. Bacilli bacteria are __________.

a) Rounded b) Rod shaped

c) Spiral Shapred d) Curved

iv. Streptococci are the bacteria which occur.

a) Two in number b) Four in number

c) In chain d) In bunch

v. Nostoc belongs to:

a) Cocci bacteria b) Eubacteria

c) Cyanobacteria d) None of them

4. Write detailed answers of the following questions:

i. Discuss in detail the discovery, characteristics, structure and type of viruses.

ii. Give the general characters, shapes, nutrition and economic importance of bacteria.

5. Write short answers of the following question:

i. What are the four types of bacteria according to shapes?

ii. What do you mean by industrial bacteria?

iii. Name the five kingdoms proposed by whittaker.

iv. Give different autotrophic mode of nutrition in bacteria.

v. Describe salient features of cyanobacteria.

Q-1 Answers:

i) Animal ii) Five iii) Protoctista iv) Prokaryotic v) Chain

Q-2 Answers:

i) True ii) True iii) False iv) True v) False

Q-3 Answers:

i) b ii) d iii) b iv) c v) c

i) The term biodiversity means variety of ………………

ii) The study which deals with the classification of living organisms is called ……………

iii) The basic unit of biological classification is the …………………

2. Write whether the statements are true or false:

i) Closely related species are grouped together into genera.

ii) Closely related genera are grouped together into classes.

iii) The plural of taxon is taxa.

3. Encircle the appropriate answers:

i) The family of mustard is

a) Bassicacae b) Poaeceae c) Rosaceae d) Palmaceae

ii) Closely related species are grouped together into

a) Family b) Genus c) Order d) Class

iii) Multicellular Organisms having no cell wall and no chlorophyll are:

a) Fungi b) Bacteria c) Animals d) Plants

4. Write detailed answers of the following questins:

i) Define taxonomy and give its aims, basis and units of classification.

ii) Name the five Kingdoms of living organisms. Write down the differentiating characters and examples of each kingdom.

iii) Why is the kingdom protoctista difficult to classify?


a) Kingdom Protoctista contains a wide range (diverse groups) of unicellular and simple multicellular eukaryotes. This kingdom also contains all those eukaryotes which can not be fitted into any other kingdoms e.g Algae (both unicellular as well multicellular Algae), protozoans, Fungi (slime moulds and Oomycotes). These organisms have different modes of reproduction, nutrition and body structure.

b) All organisms belong to kingdom protoctista have a definite nucleus in their cells (eukaryotes) which are mostly unicellular or simple multicellular and predominantly aquatic.

c) Give examples:

Examples of each of its group are as follows:

i) Protozoa (Animal like protoctists) e.g Euglena, Paramecium etc.

ii) Slime Moulds and Oomycota (Fungi like protoctists) e.g Yeast, Phytopthera etc.

iii) Unicellular and Multicellular Algae (Plant like protoctists) e.g Chlamydomonas, Ulva etc.

5. Write short answers of the following questions:

i) What is the definition of taxonomy?

ii) Define species

iii) what do you man by taxon

Ans: iii) Each grouping of organisms within the hierarchy is called a taxon (Plural=Taxa) and each taxon has a rank and name such as class mammalia or genus homo.


1. i) Living Organisms

ii) Taxonomy

iii) Species

2. i) True

ii) False

iii) True

3. i) (a)

ii) (b)

iii) (c

1. Fill in the blanks with appropriate terms:

i) The body of a fungus is called ______________.

ii) Mycellium of fungi is made of ______________.

iii) Yeast belongs to __________ group of living organisms.

iv) Chlamydomonas is a unicellular ______________ alga.

v) Rusts and smuts of cereal crop is due to _____________.

2. Write whether the following statement are true of false:

i) Spirogyra is unicellular and colonial.

ii) Chlamydomonas is colonial.

iii) Sargassum belongs to fungi.

iv) Cell wall of fungi is made up of cellulose.

v) Some species of penicillium are source of antibiotic pencillin.

3. Encircle the appropriate answer:

i) The characteristic not associated with Fungi.

a) Non-cholophyllous b) Coenocytic

b) Body called mycelium d) True cellulose

ii) Which is not fungus?

a) Asperigillus b) Chlamydomonas

b) Agaricus d) Saccharomyces

iii) Which one is not an alga?

a) Chlorella b) Volvox

b) Spirogyra d) Yeast

iv) Chloroplast of spirogyra is

a) Ring shaped b) Cup shaped

b) Ribbon shaped d) Spherical

v) Agaricus is commonly known as

a) Bread mold b) Yeast

b) Mushroom d) All of them

4. Write detailed answer of the following questions:

i) Describe general characters of algae and briefly describe an alga?

ii) Describe the structure of spirogyra and chlamydomonas?

iii) Give economic important of fungi.

iv) What is fungus? Describe general characters of fungi.

v) Discuss the importance of algae and fungi.

5. Define the following terms:

i) Pyrenoid

ii) Fungi

iii) Isogany

iv) Mycellium

v) Hyphae


Q-1: i) Mycellium ii) Hyphae iii) Fungi iv) Green v) Ustilago

Q-2: i) True ii) False iii) False iv) False v) True

Q-3: i) a and b ii) b

1. Fill in the blanks with appropriate terms:

i. Bryophytes are one of the two groups of plants, the other being …………….

ii. The dominant generation in bryophytes is …………. generation.

iii. Sporophytic generation is partly or completely dependent on gametophyte in ………….. plants.

iv. Adiantum has spore producing body found at ……………..

v. Gymnosperm has ………….. ovules.

2. Write whether the following statement are true or false:

i. Funaria has true leaves.

ii. Water is necessary for fertilization in Marchantia.

iii. The other name of pteris is Adiantum.

iv. Dryopteris is a plant which belongs to Musci of Bryophyta.

v. Tracheophytes are the plants having trachea in the xylem.

3. Encircle the appropriate answers:

i. The group of marcantia is:

a. Hepaticeae b. Musci c. Mosses d. Anthocerote

ii. The group of funaria is:

a. Hepaticeae b. Musci c. Anthocerote d. Hornwort

iii. The group of Anthoceros is:

a. Hepaticeae b. Musci c. Liver wort d. Anthocerote

iv. Typical flowers are present in the group of spermatophyte:

a. Gymnosperm b. Angiosperm c. Pteropsida d. All of them

v. Horse tail are the common name:

a. Psilopsida b. Lycopsida c. Sphenopsida d. Pteropsida

4. Write the detailed answers of the following questions:

i. What are plants? Give general characters and groups of Bryophytes and Tracheophytes with examples?

ii. Differentiate between gymnosperms and angiosperms?

iii. What are the different parts of an angiospermaic plant? Describe the parts of flower in detail?

iv. Describe the characters and groups of tracheophyta?

5. Define the following terms:

i. Bryophytes ii. Plants iii. Tracheophytes

iv. Gymnosperms v. Angiosperms vi. Spermatophytes
6. Differentiate between:

i. Sporophytes and gametophytes

ii. Bryophyta and Tracheophyta

iii. Antheridia and Archegonia

iv. Angiosperms and Gymnosperms

v. Male and Female cone

vi. Monocot. and Dicot. Plant


1) i. Tracheophytes ii. Gametophyte iii. Bryophyte

iv. Margin of fertile leaves in sori v. Naked

2) i. F ii. T iii. F iv. F v. T
3) i. a ii. b iii. D iv.

Q-1: Fill in the blanks with appropriate terms:

i) The external protective covering which develops in many animals is called ………..

ii) Malaria is caused by…………….

iii) Animals fixed at one place are called ………………..

iv) ……………. is a parasite in the liver of sheep.

v) House flies, Mosquitoes, Butterflies belong to phylum ……………

vi) Molluscs move by means of a fleshy organ called …………..

vii) Echnodermates have………… skin.

Q-2: Write whether the following statements are true or false:

i) Dysentry is caused by plasmodium.

ii) Nematodes are segmented worms.

iii) Spider, Prawn and Scorpion belong to phylum Annelida.

iv) Water vascular system is a feature of sponges.

Q-3: Encircle the appropriate answer:

i) It is not multicellular.

a) Porifera b) Arthropoda c) Nematoda d) Protozoa

ii) These are exclusively marine.

a) Protozoa b) Annelida c) Echinodermata d) Mollusca

iii) Spiders do not have

a) Jointed legs b) Wings c) Exoskeleton d) Head

iv) Which of the following is free living?

a) Plasmodium b) Tapeworm c) Hydra d) Liver fluke

Q-4: Write detailed answer to the following question:

i) State and explain important characters of Roundworms and Segmented worms.

ii) Discuss important characters of phylum Arthropoda.

iii) Give general characters of Echinodermates.

iv) Discuss important features of diploblastic animals.

Q-5: Write short answers to the following questions:

i) Spones are sessile. How do they get food while staying at one place?

ii) You have studied different group of animals. Make a list of few triploblastic invertebrates beginning from the simples forms.

iii) What do you know about insects?

iv) What is exoskeleton? Name two phyla of animals having exoskeleton.

v) Define parasite. Name five parasites and the phyla to which they belong.

vi) Write short notes on Hydra and tapeworm.



i) Exoskeleton ii) Plasmodium iii) Sessile iv) Liver fluke

v) Arthropoda vi) Foot vii) Rough and Spiny


i) F ii) F iii) F iv) F


i) d ii) c iii) b iv) c

9th Class Biology Important Objective Type Questions & Fill In The Blanks

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