Q. Which one of the following groups are called amphibians of plant kingdom?
1) Bryophytes
2) Thallophytes
3) Pteridophytes
4) Gymnosperms
Q. Which one of the following belongs to Pisces?
1) Dogfish
2) Jellyfish
3) Silverfish
4) Starfish
Q. In aquatic plants, large air sacs give them buoyancy effects. These sacs are surrounded by which one of the following types of tissues?
1) Parenchyma
2) Collenchyma
3) Sclerenchyma
4) Complex tissue
Q. Which one of the following statements about 'vacuoles' is not correct?
1) In plants, there is a large central vacuole that may occupy 90% of total cell volume
2) In plant cells, vacuoles provide turgidity and rigidity
3) In Amoeba, vacuoles have a role in nutrition
4) Vacuoles are absent in animal cells
Q. Which one of the following plant plastids stores starch, oil, and protein granules?
1) Chloroplast
2) Leucoplast
3) Chromoplast
4) Xanthoplast
Q. Which of the following statements about living and nonliving being is/are correct?
1. While living being can demonstrate growth and repair, non-living beings cannot.
2. While living being demonstrated metabolic processes, non-living being does not.
Select the correct answer using the code given below -
1) Only 1
2) Only 2
3) Both 1 and 2
4) Neither 1 nor 2
Q. The time period of a 1 m long pendulum approximates to --
1) 6 s
2) 4 s
3) 2 s
4) 1 s
Q. A ball is thrown vertically upward with a speed of 40 m/ s. The time taken by the ball to reach the maximum height would be approximately -
1) 2 s
2) 3 s
3) 4 s
4) 5 s
Q. What is the dimension of the gravitational constant?
1) [ML3T-2]
2) [M-1L3T-2]
3) [M2L-2T-2]
4) [M2L-1T-2]
Q. The magnetic field produced by a current-carrying straight wire at a point outside the wire depends -
1) inversely on the distance from it
2) directly on the distance from it
3) inversely at short distances and directly at large distances from it
4) directly on the distance (at short distances) and inversely on the distance (at long distances) from it
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