141) _____is a vital link between blood and tissues by which essential substances pass from blood to cells and excretory products from cells to blood.
A) Lymph
B) Heart
C) Arteries gea
D) Venis
142) Blood capillaries were discovered by _____ in 1661.
A) Marcello Malphigi
B) William Harvey
C) Girolamo Fabrici
D) Rene Laennec
143) ______ protects the heart from shocks.
A) Pericardial membranes
B) Pericardial fluid
C) Auricles
D) Ventricles
144) In trees, removal of ______ prevents transportation of food.
A) Phloem
B) Xylem
C) Xylem vessels
D) None of the above
145) ______ serves as a shock-absorbing medium and protects the brain against shocks/jerks along with the meninges and cranium
A) Lymph
B) cerebrospinal fluid
C) Blood
D) None of the above
146) Which part of the brain controls the emotions?
A) Cerebrum
B) Diencephalon
C) Mid brain
D) Cerebellum
147) The mode of nutrition in Paramoecium is
A) Ingestion
B) Absorbtion
C) Parasitic
D) Saprophytic
148) External fertilization is observed in
A) Monkeys
B) Humans
C) Fish
D) All of the above
149) _____ are fat soluble vitamins.
A) B & C
B) A & C
C) B & D
D) A & D
150) The structural and functional unit of nervous system is
A) Neuron
B) Nephron
C) Osteocytes
D) None of the above
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