MCQ
Which plant hormone is found in gaseous form?
- AAuxin
- BCytokinin
- ✓Ethylene
- D$ABA$
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$I.$ Water is essential for fertilisation
$II.$ Male gametophyte bears antheridia, while female gametophyte bears archegonium, which produces antherozoids and egg cell, respectively
$III.$ Antherozoids and egg cell fuses to give rise zygote. Zygote develops into young embryo. Embryo give rise to sporophyte
Which of the statements given above are correct?
Assertion $A$: Nephrons are of two types: Cortical and Juxta medullary, based on their relative position in cortex and medulla.
Reason $R$: Juxta medullary nephrons have short loop of Henle whereas, cortical nephrons have longer loop of Henle.
In the light of the above statements, choose the correct answer from the options given below: