Q1: The laws of reflection hold true for:
(a) plane mirrors only
(b) concave mirrors only
(c) convex mirrors only
(d) all reflecting surfaces
Q2: Focal length of a plane mirror is
(a) zero
(b) infinite
(c) 25 cm
(d) -25 cm
Q1: In absence of partnership deed, which partner gets more share of profit?
(a) sleeping
(b) active
(c) actual
(d) No one
Q2: Vikas and Yogesh were in partnership sharing profits and losses in the ratio of 2 : 1. They admitted Kunal as a new partner. Kunal brought ₹ 1,00,000 as his share of goodwill premium, which was entirely credited to Vikas’s capital account. On the date of admission, goodwill of the firm was valued at ₹ 5,00,000. The new profit sharing ratio of Vikas, Yogesh and Kunal will be:
(a) 7:5:3
(b) 7:3:5
(c) 5:7:3
(d) 3:5:7
Q1: The outermost and innermost wall layers of microsporangium in an anther are respectively.
(a) Endothecium and tapetum
(b) Epidermis and endodermis
(c) Epidermis and middle layer
(d) Epidermis and tapetum
Q2: Which of the following fruit is a case of parthenogenesis?
(a) Fruit without seeds after pollination
(b) Fruit with seeds after pollination
(c) Fruit with viable seeds without fertilization
(d) Fruit with viable seeds after fertilization.
Q1: Which of the following is a network solid?
(a) SO₂(solid)
(b) I₂
(c) Diamond
(d) H₂O (Ice)
Q2: Which of the following shows anisotropy?
(a) Wood
(b) Sugar
(c) Glass
(d) Sodium Chloride
Fill in the blanks with suitable words.
1. The period of life, when the body undergoes certain noticeable changes, leading to reproductive maturity is called __________.
2 _______ is the start of the time when a boy is biologically ready to become a father and a girl is ready to become a mother.
3. ______ are thread-like structures in the nucleus carrying genetic information.
Level: Easy
Q1: How much positive charge and negative charge is there is a cup of water of mass 250g?
(a) 1.34 × 10⁶C
(b) 1.34 × 10⁷C
(c) 1.34 × 10⁸C
(d) 1.34 × 10⁹C
