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DAT PLANTS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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DAT PLANTS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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DAT PLANTS QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
What does the embryo of a plant consist of? - ANSWER 1. Radicle
2. Hypocotyl
3. Plumule
4. Epicotyl
What is germination? - ANSWER the sprouting of a seedling from a previously dormant seed.
What is imbibition? - ANSWER uptake of water by a seed which causes the seed to swell up and break
the seed coat
What is the area in a plant where growth takes place via mitosis and cell division? - ANSWER meristem
what are the two types of meristem? - ANSWER apical meristem and lateral meristem
Apical meristem - ANSWER are located at the tip of the the roots and the tips of the shoot. They help the
plant grow vertically
Lateral meristem - ANSWER Located on the plant so it could grow horizontally, to increase the width and
thickness of the plant
What is primary growth in plants? - ANSWER vertical growth of a plant at its apical meristem
secondary growth in plants - ANSWER growth of the plant in the lateral meristem, which include vascular
cambium and the cork cambium
What is parenchyma? - ANSWER tissue cells act as filler tissue and make up the bulk of the entire plant.
They have the thinnest cell walls of the three.
, What is collenchyma? - ANSWER tissue cells provide extra support to the plant, especially in areas where
the plant is actively growing. They have irregular cell walls.
What is sclerenchyma? - ANSWER tissue cells provide the main structural support of the plant. They have
the thickest cell walls of the three.
What is the function of vascular tissue in plants? - ANSWER transport of materials to different parts of
the plants
What does pholem transport? - ANSWER sugars
How does the pholem transport sugars - ANSWER leaves to the roots
What are sieve cells? - ANSWER long cells with pores that allow substances to flow through them
-they lack organelles
What are companion cells - ANSWER which have all the necessary organelles to carry out metabolic
functions (such as load the sieve cells with the sugars they need to transport). Sieve cells and companion
cells are connected via plasmodesmata (small channels that connect adjacent cells' cytoplasms), which
allows for quick communication between the two
What does xylem transport? - ANSWER water
How does the xylem transport water? - ANSWER From the roots to the leaves
Tracheids have - ANSWER pits
vessel elements - ANSWER perforations
Dermal tissue in plants - ANSWER is the most outer layer of the plant and provides protection to the
insides of the plant and also helps regulate how the plant is effected by the external enviroment
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