General Science carries 50 marks in the AISSEE Class 9 paper (25 questions × 2 marks). These 10 MCQs on Reproduction, Hormones and Crop Production are based on the NCERT Class 8 topics listed in the official syllabus.
Quick facts: AISSEE 2027 will be held on Sunday, 31 January 2027. There is no negative marking, so attempt every question. Online applications are open until 2 December 2026 on exams.nta.nic.in/sainik-school-society.
Practice Questions
Q1. Glands that release hormones directly into the blood are called ________ glands.
(A) salivary
(B) endocrine
(C) sweat
(D) oil
Q2. Which gland is called the "master gland"?
(A) Pancreas
(B) Adrenal
(C) Pituitary
(D) Thyroid
Q3. Insulin, which controls blood sugar, is produced by the ________.
(A) thyroid
(B) kidney
(C) liver
(D) pancreas
Q4. Thyroxine is produced by the ________ gland.
(A) adrenal
(B) pituitary
(C) thyroid
(D) pineal
Q5. The period of life when the body changes from childhood to adulthood is called ________.
(A) infancy
(B) adolescence
(C) metamorphosis
(D) old age
Q6. Frogs and silkworms show changes in body form during their life cycle. This is called ________.
(A) metamorphosis
(B) fragmentation
(C) pollination
(D) budding
Q7. Hydra reproduces asexually by ________.
(A) spores
(B) seeds
(C) eggs
(D) budding
Q8. Crops sown in the rainy season (June–July) are called ________ crops.
(A) kharif
(B) cash
(C) rabi
(D) zaid
Q9. Wheat, gram and mustard are ________ crops.
(A) rabi
(B) zaid
(C) plantation
(D) kharif
Q10. Separating grain from chaff by using wind is called ________.
(A) threshing
(B) winnowing
(C) sowing
(D) weeding
Answer Key with Explanations
(B) endocrine — Endocrine glands are ductless glands.
(C) Pituitary — The pituitary controls many other glands.
(D) pancreas — Lack of insulin causes diabetes.
(C) thyroid — Iodine is needed to make thyroxine.
(B) adolescence — Adolescence is roughly the age of 11 to 19 years.
(A) metamorphosis — A tadpole changes into a frog through metamorphosis.
(D) budding — A small bud grows on the hydra's body and separates.
(A) kharif — Paddy, maize and cotton are kharif crops.
(A) rabi — Rabi crops are sown in winter (October–November).
(B) winnowing — Winnowing uses wind to blow away the light chaff.
How did you score?
9–10 correct: excellent — move on to a full-length mock test. 6–8: good — revise the explanations of the questions you missed. Below 6: study this topic again from your NCERT book and retry these questions after two days.
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