Explore topic-wise MCQs in 9th Class.

This section includes 176 Mcqs, each offering curated multiple-choice questions to sharpen your 9th Class knowledge and support exam preparation. Choose a topic below to get started.

151.

In April 2016, India signed an implementation agreement for the rejuvenation of the Ganga under the Namami Gange Programme with which European country?

A. France
B. Italy
C. Germany
D. Sweden
Answer» D. Sweden
152.

Fossil fuels are no longer the preferred sources of energy. The Sun provides energy in many ways, directly and indirectly which can be harnessed. Which of these is a form of energy that is not solar in origin?

A. Tidal
B. Wind
C. Deep Geothermal
D. Hydroelectric
Answer» D. Hydroelectric
153.

Acid rain is any form of precipitation with acidic component that fall to the ground from the atmosphere in wet or dry forms. The main cause is burning of fossil fuels that produces noxious waste gases which react with atmospheric water to form acids. Which among the following acids is the main cause of acid rain?

A. Hydrochloric acid
B. Sulphuric acid
C. Carbonic acid
D. Formic acid
Answer» C. Carbonic acid
154.

Cerbera odollam, commonly known as the suicide tree, is a species of tree native to India and other parts of Southern Asia. In which state of India, this tree is found?

A. Haryana
B. Sikkim
C. Karnataka
D. Kerala
Answer» E.
155.

The Environment (Protection) Act of India was enacted by Parliament of India under Article 253 of the Indian constitution. In which year was this act enacted?

A. 1976
B. 1980
C. 1986
D. 1990
Answer» D. 1990
156.

Which of the following are the good qualities of a speaker? (i) Maintaining eye contact with listeners (ii) Position yourself to face the entire group (iii) Walk around unnecessarily (iv) Talk with all group members

A. (i), (ii), (iii) and (iv) only
B. (i), (ii) and (iii) only
C. (i), (iii) and (iv) only
D. (i), (ii) and (iv) only
Answer» B. (i), (ii) and (iii) only
157.

Which of the following is not a healthy sleeping habits?

A. Going to bed late
B. Reading books or magazines while lying down
C. Not thinking of problems or studies
D. None of these
Answer» B. Reading books or magazines while lying down
158.

Which of the following are desirable study habits for a student? (i) Having a timetable of study which includes all subjects in rotation. (ii) Having a regular and specific study time everyday (iii) Jotting down points and summarising what has been read in one's own words (iv) Always reading loudly

A. (i), (ii) and (iv) only
B. (i), (ii) and (iii) only
C. (ii), (iii) and (iv) only
D. (i), (iii) and (iv) only
Answer» C. (ii), (iii) and (iv) only
159.

This plant disease caused by fungi results in black/brown lesions on leaves, stem and death of plant tissue. Tomato and potato are plants affected by this disease. Name the disease.

A. Late Blight
B. Scabies
C. Brown rot
D. Crown Gall
Answer» B. Scabies
160.

This fish although poisonous, is a much sought after Japanese delicacy. Chefs undergo rigorous training before they are allowed to prepare it. Its local name is 'Fugu'. What is its English name?

A. Pufferfish
B. Alumahan
C. Barracuda
D. Gambusia
Answer» B. Alumahan
161.

The male of this whale species can easily be recognised by its single, protruding spiral tusk. Which animal are we talking about?

A. Narwhal
B. Livyatan
C. Baiji
D. Minke whale
Answer» B. Livyatan
162.

Why plants are killed in winter by frost?

A. No transpiration occurs at such low temperature.
B. No photosynthesis takes place at such low temperature.
C. There is desiccation and mechanical damage to the tissues.
D. Respiration ceases at such low temperature.
Answer» D. Respiration ceases at such low temperature.
163.

The animal given in the picture is a long necked antelope found in some parts of African region. It stands on its hind legs to feed, allowing itself to reach branches and vegetation. Identify it.

A. Gerenuk
B. Umbonia Spinosa
C. Chevrotain
D. Babirusa
Answer» B. Umbonia Spinosa
164.

This plant given in the picture is known as doll's eye for its peculiar berries that crop up once a year. These small white berries have small marks that appear like pupils, giving the plant an interesting appearance. To which family does it belong?

A. Asteraceae
B. Ranunculaceae
C. Potamogetonaceae
D. Fabaceae
Answer» C. Potamogetonaceae
165.

Not all shakes kill by poisoning their victim through venom. Some kill by suffocating their prey by constriction. Which of the following is a constrictor?

A. Rat snake
B. King cobra
C. Rock python
D. Russell's viper
Answer» D. Russell's viper
166.

Studies have shown that the leaves and pods of this tree are very rich in iron, calcium, vitamins A and C; and other nutrients. It is highly recommended by scientists for those who suffer from malnutrition, including infants. Name the tree.

A. Drumstick tree
B. Tamarind tree
C. Neem tree
D. Gulmohur tree
Answer» B. Tamarind tree
167.

Hermaphrodite organisms are animals that have -both male and female reproductive organs. Which of the following organisms is a hermaphrodite?

A. Earthworm
B. Snail
C. Hamlet fish
D. All of these
Answer» E.
168.

Autotomy is the behaviour wherein an animal sheds or discards one or more of its own appendages, for example tails, usually as a self-defense mechanism to distract or escape from a predator. The lost body part may be regenerated later. Which of these animals exhibits this kind of behaviour?

A. Garden lizard
B. Fruit bat
C. Star tortoise
D. Slender loris
Answer» B. Fruit bat
169.

It is an organ located at the base of the nasal cavity of some animals. Snakes use this organ to hunt and track their prey. They stick their tongue out to gather scents and touch it to the opening of the organ when the tongue is retracted. Name the organ.

A. Jacobson's organ
B. Blowhole
C. Peyer's patches
D. Islet of Langerhans
Answer» B. Blowhole
170.

Many animals such as bats and primates indulge in geophagia, or the ingestion of soil. Which type of soil do these animals prefer?

A. Gravel
B. Sand
C. Silt
D. Clay
Answer» E.
171.

Not all animals reproduce sexually. When food is plentiful the Hydra reproduces asexually, sometimes as often as once in 2 days, by which of the following processes?

A. Binary fission
B. Parthenogenesis
C. Budding
D. Laying eggs
Answer» D. Laying eggs
172.

Symbiosis refers to close interactions between two or more different species. In mycorrhiza, higher absorptive capacity for water and mineral nutrients is provided by plant, showing symbiotic relationship with

A. Fungi
B. Bapteria
C. Bryophytes
D. Algae
Answer» B. Bapteria
173.

The ratio of the incomes of A and B is 5 : 4 and the ratio of their expenditures is 3 : 2. If at the end of the year, each saves Rs. 1600, then the income of A is:

A. Rs. 3400
B. Rs. 3600
C. Rs. 4000
D. Rs. 4400
Answer» E.
174.

A trader mixes 26 kg of rice at Rs. 20 per kg with 30 kg of rice of other variety at Rs. 36 per kg and sells the mixture at Rs. 30 per kg. His profit percent is :

A. No profit, no loss
B. 0.05
C. 0.08
D. 0.1
Answer» C. 0.08
175.

The Sangrur Express train is 800 metres long. It crosses a tunnel in 1 minute while running at a speed of 78 km/hr. What is the length of the tunnel?

A. 260 m
B. 440 m
C. 500 m
D. 352 m
Answer» D. 352 m
176.

Four different electronic devices make a beep after every 30 minutes, 1 hour, \[1\frac{1}{2}\] hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at:

A. 12 midnight
B. 3 a.m.
C. 6 a.m.
D. 9 a.m.
Answer» E.