MCQ
Choose the incorrect match
- ANucleus $— RNA$
- ✓Lysosome — Protein synthesis
- CMitochondria — Respiration
- DCytoskeleton — Microtubules
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| Column $-I$ (Biomolecule) | Column $-II$ (Characteristics) |
| $(A)\; ATP$ | $(p)$ One or more sugar monomers |
| $(B)\; DNA$ | $(q)$ The main source of energy |
| $(C)$ Protein | $(r)$ Two strands of nucleotides |
| $(D)$ Carbohydrate | $(s)$ Long sequence of amino acids |
$1.$ Chromosomes cluster at opposite spindle poles
$2.$ Spindle fibres attach to kinetochores of chromosomes
$3.$ Nuclear envelope assembles around the chromosomes clusters.
$A$. Lenticels are the lens-shaped openings permitting the exchange of gases.
$B$. Bark formed early in the season is called hard bark.
$C$. Bark is a technical term that refers to all tissues exterior to vascular cambium.
$D$. Bark refers to periderm and secondary phloem.
$E$. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below: