Science, asked by olivia2004475, 5 months ago

. During embryonic development and growth in vertebrates _____ cell division takes

place.

2. White hair of guineapig is expressed when the white genes is present in _____

condition.

3. In Dryopteris adult plant body represents ______ generation.

4 .Lung is provided with ______ in pigeon.

5._____ is a black coloured circular disc of the eye suspended in the aqueous humor from

the ciliary body

6.In ______ movement the pollen tube move towards the ovum.

Decide whether the following statements are true or false :-

7 In a dihybrid cross experiment, Mendel obtained 50% pure tall plant in first filial

generation.

8 Feedback control of TSH is initiated by low or high level of thyroxine.

9 Shimul flower is ornithophilous.

10 The role of microtubule in cell division is formation of spindle fibres.

.11 Multiple fission is common in Yeast during unfavourable condition.

12 Acetylcholine and adrenaline are neurotransmitters.

Answers

Answered by Anonymous
4

Answer:

These are known as 'true ribs' and they are connected to your sternum by strips of cartilage. The next three pairs of ribs are known as 'false ribs'. Instead of attaching directly to your sternum, they all attach to your lowest true rib. The last two pairs of ribs are called 'floating ribs'.

Answered by Parashsaitama
1

Answer:

1. mitotic

2. homologous

3. F1

4. alveoli

5. ciliary muscle

6. chemotrophic

7. False

8. True

9. True

10. True

11. True

12. True

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