SEED STRUCTURE AND FUNCTIONS
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Question No. 1 Marks +1 -0 Time
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Seeds are classified based on the number of cotyledons. What are the two main categories?
Question No. 2 Marks +1 -0 Time
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Which of the following is an example of a non-endospermic dicotyledonous seed?
Question No. 3 Marks +1 -0 Time
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What is the outer hard layer of the seed coat called?
Question No. 4 Marks +1 -0 Time
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The scar marking the point of attachment of seed to the stalk is known as:
Question No. 5 Marks +1 -0 Time
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In leguminous seeds, what structure controls water entry after absolute impermeability is reached?
Question No. 6 Marks +1 -0 Time
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What percentage of seed mass do cotyledons account for in non-endospermic seeds like pea?
Question No. 7 Marks +1 -0 Time
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Which part of the embryonic axis develops into the shoot system?
Question No. 8 Marks +1 -0 Time
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In Poaceae seeds, what is the one-seeded fruit called?
Question No. 9 Marks +1 -0 Time
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Which layer of endosperm in grass seeds secretes digestive enzymes?
Question No. 10 Marks +1 -0 Time
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What is the shield-shaped cotyledon in monocot seeds called?
Question No. 11 Marks +1 -0 Time
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Which structure protects the plumule in grass seeds?
Question No. 12 Marks +1 -0 Time
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The ridge formed by the funicle along the seed margin is called:
Question No. 13 Marks +1 -0 Time
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In which type of seeds does the nucellus develop into perisperm for food storage?
Question No. 14 Marks +1 -0 Time
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What happens to cotyledons in epigeal non-endospermic species after germination?
Question No. 15 Marks +1 -0 Time
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Which of the following seeds typically has an aril?
Question No. 16 Marks +1 -0 Time
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The small hole at one end of the hilum is called:
Question No. 17 Marks +1 -0 Time
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In endospermic dicot seeds, what is the primary function of cotyledons?
Question No. 18 Marks +1 -0 Time
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What separates the embryo from the endosperm in grass seeds?
Question No. 19 Marks +1 -0 Time
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Which enzyme is primarily secreted by the aleurone layer?
Question No. 20 Marks +1 -0 Time
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The protective sheath around the radicle in grass seeds is called:
Question No. 21 Marks +1 -0 Time
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Most monocotyledonous seeds are:
Question No. 22 Marks +1 -0 Time
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The inner membranous layer of the seed coat is called:
Question No. 23 Marks +1 -0 Time
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What tissue becomes the main food storage in caryopsis?
Question No. 24 Marks +1 -0 Time
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Fenugreek is an example of which type of seed?
Question No. 25 Marks +1 -0 Time
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The embryonic root in a seed is called:
Question No. 26 Marks +1 -0 Time
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In yucca seeds, food reserves are stored in:
Question No. 27 Marks +1 -0 Time
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What makes the aleurone layer different from other endosperm cells?
Question No. 28 Marks +1 -0 Time
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The part of embryonic axis to which cotyledons are attached is:
Question No. 29 Marks +1 -0 Time
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Castorbean is an example of:
Question No. 30 Marks +1 -0 Time
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The seed coat consists of how many layers?
Question No. 31 Marks +1 -0 Time
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Which structure initially synthesizes alpha-amylase in grass seeds?
Question No. 32 Marks +1 -0 Time
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Bean seeds are classified as:
Question No. 33 Marks +1 -0 Time
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What is the main function of arils in seeds?
Question No. 34 Marks +1 -0 Time
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The pericarp in caryopsis is formed by fusion of:
Question No. 35 Marks +1 -0 Time
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Proteolytic enzymes secreted by aleurone layer function to:
Question No. 36 Marks +1 -0 Time
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The groove where embryo lies in grass seeds is located:
Question No. 37 Marks +1 -0 Time
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Which part of the seed is of considerable importance as a protective barrier?
Question No. 38 Marks +1 -0 Time
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In coffee seeds, the food storage tissue is:
Question No. 39 Marks +1 -0 Time
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Galactomannan reserves are absent in which part of grass seeds?
Question No. 40 Marks +1 -0 Time
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The protective importance of seed coat is primarily due to its role as:

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