MCQ
Chromatophores contain
- AChlorophyll
- BPigments other than chlorophyll
- ✓Chlorophyll and other pigments where colour of chlorophyll is masked by another pigment
- DNone of the above
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| Column $I$ | Column $II$ |
| ($a$) Grinding of the food particies | ($i$) Hepatic caecae |
| ($b$) Secrete gastric juice | ($ii$) $10^{\text {th }}$ segment |
| ($c$) $10$ pairs | ($iii$) Proventriculus |
| ($d$) Anal Cerci | ($iv$) Spiracles |
| ($v$) Alary muscles |
|
Column $I$
|
|
Column $II$
|
|
| $A$ | Hemaphrodite | $i.$ | Produces blood cells and haemoglobin |
| $B$ | Direct development | $ii.$ | Tectis and ovary in the same animal |
| $C$ | Chemoreceptor | $iii.$ | Larval from absent |
| $D$ | Blood gland in earthworm | $iv.$ | Sense of chemical substances |
$(i)$ The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.
$(ii)$ ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.
$(iii)$ Ribosomes are involved in protein synthesis.
$(iv)$ Mitochondria help in oxidative phosphorylation and generation of $ATP$.