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Biology

Biology
The "eyes" of potato tubers are

Root buds
Flower buds
Axillary buds
Shoot buds

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Biology
Which of the following is a work done by the placenta tissue in humans?

Provide nutrition to the embryo
Removes waste matter from the embryo and provide nutrition to the embryo
Remove waste matter from the embryo
Support the embryo

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Biology
Primary phloem develops from

. provascular tissue
protoderm
ateral meristem
extrastelar cambium

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Biology
When the diaphragm and external intercostal muscles contract,

The volume of the thorax increases
The lungs shrink
The volume of the thorax decreases
The volume of the lungs decreases

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Biology
Which of the following groups is present in animal cells ?

Chloroplasts, Cytoplasm, Vacuole, Nucleus
Vacuole, Cell membrane, Nucleus, Mitochondria
Nucleus, Cell membrane, Mitochondria, Cytoplasm
Mitochondria, Cell membrane, Cell wall, Cytoplasm

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Biology
Which of the following are involved directly in pulmonary circulation?

Left ventricle, aorta, and inferior vena cava
Superior vena cava, right atrium, and left ventricle
Right ventricle, pulmonary artery, and left atrium
Right atrium, aorta, and left ventricle

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