Maharashtra SSC Class 10 Science and Technology II March 2016 question paper
Maximum marks 40 · Time 2 hours
Try each question first, then open its model answer. Where the paper offers a choice, both questions are shown with OR between them.
Q.1 (A)
1 mark each
- Q.1 (A) (1)1 markFill in the blank and rewrite the completed statement: ____________ is the largest gland in the body.
- Q.1 (A) (2)1 markFind the odd one out and write it: vagina, uterus, vas deferens, ovary.
- Q.1 (A) (3)1 markState whether the following statement is true or false: Aquatic animals breathe at a slower rate than the terrestrial animals.
- Q.1 (A) (4)1 markConsidering the relationship in the first pair, complete the second pair: rr : Homozygous : : Rr : ____________
- Q.1 (A) (5)1 markName the following: Main ore of aluminium.
Q.1 (B)
1 mark each
- Q.1 (B) (1)1 mark____________ liberated when acetic acid reacts with sodium metal.
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- Q.1 (B) (2)1 markFor binary fission, Amoeba required ____________ parent cells.
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- Q.1 (B) (3)1 markA solution of in water is ____________ in colour.
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- Q.1 (B) (4)1 markRaisins are formed by drying grapes. The process that takes place during formation of raisins from grapes is ____________ .
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- Q.1 (B) (5)1 markEthanoic acid has a ____________ odour.
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Q.2
2 marks each · attempt any 5
- Q.2 (1)2 marksDifferentiate between voluntary and involuntary movements.
- Q.2 (2)2 marksWhat is the peculiarity of the 'DNA' structure?
- Q.2 (3)2 marksDraw a well-labelled diagram of longitudinal section of a flower.
- Q.2 (4)2 marksGive scientific reason: Roots of plants grow away from light.
- Q.2 (5)2 marksWrite any two measures to conserve water.
- Q.2 (6)2 marksWhat are fossils?
Q.3
3 marks each · attempt any 5
- Q.3 (1)3 marksWhat is an alloy? Give two examples with their chemical composition.
- Q.3 (2)3 marksHow is sex determined in human beings?
- Q.3 (3)3 marksState the different types of neurons. Explain their functions.
- Q.3 (4)3 marksWhat is '3R' mantra? Write its significance.
- Q.3 (5)3 marksMetal A has electronic configuration and metal B has . Which is more reactive? Why? Identify these metals.
- Q.3 (6)3 marksExplain the disadvantages of a large family size.
Q.4
5 marks each · attempt any 1
- Q.4 (1)5 marksGiven below are the end products of different reactions involving glucose. Write the reaction number in front of the following: (i) Anaerobic reaction = (ii) Reaction in the human muscles = (iii) Aerobic respiration = (iv) Reaction in the plant cells = (v) Reaction in the liver =
- Q.4 (2)5 marksWhat is a homologous series? State any four characteristics of a homologous series.