Q1: The circumference of a circle is equal to the perimeter of a square of side 11 cm. Find the area of the circle?
(a) 122 cm²
(b) 144 cm²
(c) 154 cm²
(d) 180 cm²
Q2: The radii of the two circles are 19 cm and 9 cm respectively. Find the radius of a circle that has a circumference equal to the sum of their circumferences.
(a) 28 cm
(b) 10 cm
(c) 44 cm
(d) 22 cm
Q1: Sudden movements in the earth crust causes
(a) Wind
(b) Deposition
(c) Erosion
(d) Earthquake
Q2: Which is not an erosional feature of sea waves?
(a) Seacliff
(b) beach
(c) Sea cave
(d) None of these
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
Q1: What do conditional statements do?
Answer: Conditional statements let us write program to do different tasks or take different paths based on the outcome of the conditions.
Q2: What is meant by a control structure?
Answer: A control structure is a logical design that controls the order in which a set of statements execute.
Thre are three types of control structures:
