Zoology Botany GK Question

Q136. The top chambers of human heart are called
(a) Aorta
(b) Atrium
(c) Septum
(d) Ventricle

Q137. What does stomach acid mostly consist of
(a) Acetic Acid
(b) Ascorbic Acid
(c) Hydrochloric Acid
(d) Sulphuric Acid

Q138. Which one of the following is a digestive hormone
(a) Gastrin
(b) Pepsin
(c) Amylase
(d) Lipase

Q139. A plant leaf appears to be green because it
(a) Absorbs green light
(b) Reflects all but yellow and blue light
(c) Reflects green light
(d) Absorbs red and yellow light

Q140. Which among the following is the best method of judging age of a Tree
(a) Diameter of tree
(b) Diameter of stem
(c) Number of branches
(d) Annual rings

Q141. In which of the following stages of silkworm, silk is secreted
(a) Larva
(b) Pupa
(c) Egg
(d) Adult

Q142. During blood coagulation, thromboplastin is released by
(a) RBC
(b) Blood Plasma
(c) Leucocytes
(d) Clumped Platelets and damaged tissues

Q143. The deposition of cholesterol on the walls of blood vessels causes the arteries to lose their elasticity and get stiffened is called
(a) Hypotension
(b) Hypertension
(c) Systolic Pressure
(d) Arteriosclerosis

Q144. The transport of organic substances in plants is through
(a) Xylem
(b) Phloem
(c) Fibers
(d) Wood

Q145. The numerous minute pores in the epidermis of a leaf are called
(a) Stomata
(b) Lenticels
(c) Hydathodes
(d) Perforation

Q146. Dr. Birbal Sahni; a famous Indian botanist is concerned with __________ studies
(a) Algal
(b) Fossil
(c) Bryophytic
(d) Fungal

Q147. The experimental material used by Gregor Mendel is __________
(a) Pea plant
(b) Drossophila
(c) Potato plant
(d) None of the above

Q148. Which of the fungi is commonly called as bread mold
(a) Puccinia
(b) Rhizopus
(c) Ustilago
(d) All of these

Q149. What is meant by "Zoonosis"
(a) Animal disease transmitted to man
(b) Disease of man transmitted to animal
(c) Parasites of man transmitted to animal
(d) Viral disease of man transmitted to animal

Q150. Which group of animals are exclusively marine
(a) Annelids
(b) Arthropods
(c) Pisces
(d) Echinoderms

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