MCQ
The intermediate compound common for aerobic and anaerobic respiration is
- ACitric acid
- ✓Pyruvic acid
- CAcetyl Co-$A$
- DSuccinic acid
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$(i)$ Most of them are fresh water organisms found in standing water.
$(ii)$ They have a protein rich layer (called pellicle) which makes their body flexible.
$(iii)$ They have two flagella, a short and a long one.
$(iv)$ Though they are photosynthetic in the presence of sunlight, but in the absence of sunlight they behave like heterotrophs by predating on other smaller organisms. Identify the correct group on the basis of these characters.
|
List $I$ (Phase of meiosis) |
List $II$ (Event that occurs) |
|
1. Prophase $I$ |
Crossing over occurs |
|
2. Metaphase $I$ |
Sister chromatids migrate to opposite poles |
|
3. Anaphase $I$ |
Homologous line up at equator in pairs Code |