4) Express the following complex numbers in
polar form and exponential form.
1
1)-1+3i 2) -i 3)-1 4) 2/1+I 5) 1+2i/1-3i 6) 1+7i/(2-i)×2
Answers
Answer:
etc
Which plants reproduce by spore formation? fungsi
What does veast reproduce? Budding-
cooart
2. What is vegetative reproduction définitiºn
8. What is artificial propagation of plants? Name four methods of artificial propagation gi
9. What does the process of fertilisation consist of?
y
10. When does a seed start germinating AB
D. LONG-ANSWER QUESTIONS: Answer in about 50 words.
1. Discuss, giving examples, three different ways of vegetative reproduction. Jotuse rep
2. What are the advantages of vegetative reproduction? nie point
. Explain the following a cutting b. layering c. grafting die pohy
+ What is pollination? How does it lead to fertilization? Explain with the help of a diagran
5. Why is dispersal of seeds necessary? Name the agents of dispersal giving one example each
a seed that is dispersed by them.
6. What happens in a flower after fertilization? Sind formato 44
9. Explain the process of tissue culture. Ou paits Hue out
cult a
HOTS QUESTIONS: Think and answer.
bemony
acte
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(6) List the different kinds of asexual reproduction in plants, giving one example of each. Mes
5. How is sexual reproduction different from asexual reproduction? 6 del