Class 9 Science Student Questions

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Showing: Class 9 / Science (314 questions)

by GIANSH GUPTA KHUNDKER · Class 9

Why do school bags have wide straps?

Science Gravitation 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

An object will float on the surface of a liquid if:

Science Matter in Our Surroundings 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

In Rutherford’s gold foil experiment, why did a tiny fraction of alpha particles rebound back by 180 degrees?

Science Matter in Our Surroundings 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following conditions will drastically speed up the rate of evaporation of a liquid?

Science Matter in Our Surroundings 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following phenomena always results in a cooling effect?

Science Structure of Atom 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following statements correctly defines a pair of isotopes?

Science Structure of Atom 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which subatomic particle was discovered by J.J. Thomson using the cathode ray tube experiment?

Science Structure of Atom 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which range of frequencies represents the average audible range for a healthy human ear?

Science Sound 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Through which of the following media can sound waves travel at the highest speed?

Science Sound 0 0 answers 0%
by ANSHIKASIVARAJ · Class 9

Which process is used to separate cream from milk?

Science Matter in Our Surroundings 0 1 answers 100%
by ANSHIKASIVARAJ · Class 9

What kind of solution is milk?

Science Matter in Our Surroundings 0 2 answers 100%
by ANSHIKASIVARAJ · Class 9

In the five-kingdom classification, which kingdom contains the simplest organisms?

Science Diversity in Living Organisms 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following muscle tissues is involuntary, has branched fibers, and contains intercalated discs?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which connective tissue in the human body serves to connect a bone to another bone?

Science Tissues 0 1 answers 100%
by GIANSH GUPTA KHUNDKER · Class 9

Which type of epithelial tissue is typically found in the inner lining of blood vessels where quick exchange of substances through a selectively permeable membrane is required?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following is a complex plant tissue responsible for the upward transportation of water and dissolved minerals from the roots to the rest of the plant?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which simple permanent plant tissue provides both mechanical strength and flexibility to young, growing plant parts (like stems) without breaking them?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

Which of the following plant tissues is responsible for the increase in the girth (width) of a stem or root?

Science Tissues 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

According to Kepler’s Third Law of Planetary Motion, the square of the orbital period T of a planet is directly proportional to the:

Science Gravitation 0 0 answers 0%
by GIANSH GUPTA KHUNDKER · Class 9

If the mass of the Earth remains constant but its radius shrinks by 1%, the value of the acceleration due to gravity g on its surface will:

Science Gravitation 0 0 answers 0%

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