## Class 7 study materials part 3

April 23, 2020NoticeComments Off on Class 7 study materials part 3

1. What are natural fibers?
2. What are synthetic fibers?
3. How do we get silk from silk worms? Explain.
4. Define them –
A. Shearing B. Scouring C. Sericulture.
5. Write some Indian breeds of sheep and the type of their wool.

दिए गए शब्दों के तीन तीऩ पर्यायवाची शब्द लिखें
गुरू, अग्नि,आँख,आकाश, ईश्वर, कमल, किनारा, गंगा, घर, घोड़ा , चंद्रमा, जंगल, तालाब, नदी, पानी, पृथ्वी, राजा, मित्र, सिंह, पहाड़, फूल, माँ, समुद्र, हाथी, अंधेरा, आनंद, अमृत, असुर, कपड़ा, कृपा, तलवार,तीर, दिन, दूध, देवता, सोना, बादल, स्वर्ग, शत्रु, स्त्री, साँप, सूर्य, रात, मछली

1) How many types of number system? Write their name. 2) Decimal number System change into Binary number System. a) (348)10. b) (256)10. c) (14)10. d) (12)10. e) (40) 10. 3) Binary number System change into Decimal number System. a) a)(10011)2. b) (110101)2. c) (101111)2. d) (1101)2. e) (1110101)2

Add the following integers: —
1) 9+(-6)
2) (-3) +7
3) (-4) + (-7)
4) (-2) +(-8)
5) 5+(-2) +(-6)

Simplify: —
1) (-9) ×6+(-9) ×4
2) (-2) ×3×(-4)
3) 8×(-12) +7×(-12)

Divide:
1) 85 by -17
2) -72 by 18
3) -121 by 11
4) 108 by -12
5) 15÷(-1)

define verb with examples

what is main verb and helping verb