MCQ
Choose the cat fish from the following :
- AKatla katla
- BWallage attu
- ✓Labeo rohita
- DCirrhinus mrigala
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1.Structural gene
2.Messenger $RNA$
3.Ribosomes
4.Transcription
5.Translation
Which of the following is the correct sequence for protein synthesis
| Vector DNA | Foreign DNA | |
| A | 1 & 5 | 5 &1 |
| B | 2 & 4 | 4 &2 |
| C | 2 & 5 | 5 & 2 |
| D | 3 & 4 | 4 & 3 |
If mortality is represented by $-D$
If immigration is represented by $-I$
If emigration is represented by $-E$
If population density is represented by $-N$
Then population density at time $t+1$ is represented by
Complete the given statement with reference to $NCERT$ textbook

$(a)$ Spermatogonia
$(b)$ Secondary spermatocyte
$(c)$ Primary spermatocyte
$(d)$ Spermatid