21. The part of the camera analogous to the retina in the human eye is the film.
22. TV transmission cannot cover a very large area because the shape of the Earth is spherical.
23. Water is a highly effective coolant for a car engine because it has very high specific heat capacity.
24. The theory of Expanding Universe was first propounded by Hubble.
25. Mosses are organisms in which the dominant phase of the life cycle is haploid.
26. The Earth’s lithosphere is divided into 15 major plates of various sizes.
27. Geiger-Muller counter is used to detect protons.
28. Pelvic is not a region of the spinal cord.
29. A tight-rope walker carries a long pole across his body to keep the center of gravity always vertically above the rope.
30. The protons and neutrons are found in the center of the atom, which is called the nucleus of the atom.
31. The vertebral column in human beings consists of 33 vertebrae.
32. The Pitcher plant opens its mouth when an insect sits on its lid.
33. Short-sight defect could be corrected by a concave lens.
34. Sunlight is a great source of vitamin D.
35. The current stage of the star ‘Sun’ is a yellow dwarf.
36. The pancreas secretes insulin.
37. When a star becomes a singularity and has zero volume and infinite density, it is called a black hole.
38. The brightest star in the night sky is Sirius.
39. Graphite is a substance.
40. Sound waves are not electromagnetic radiations.