Morphology of Flowering Plants: MCQ Test

121. Which part of the frog's brain includes the olfactory lobes, paired cerebral hemispheres, and unpaired diencephalon?

• Mid-brain
• Hind-brain
• Fore-brain
• Cerebellum

122. Which sense organ in a frog functions for both hearing and balancing (equilibrium)?

• Nostrils
• Eyes
• Tympanum with internal ears
• Sensory papillae

123. In male frogs, the testes are found adhered to the upper part of the kidneys by a double fold of peritoneum called:

• Mesorchium
• Mesovarium
• Pericardium
• Renal capsule

124. Vasa efferentia in male frogs are 10-12 in number and enter the kidneys to open into which canal?

• Ureter
• Urinogenital duct
• Bidder's canal
• Cloaca

125. In female frogs, a mature female can lay approximately how many ova at a time?

• 50-100
• 500-1000
• 2500-3000
• 10000-15000

126. Fertilization in frogs is characterized as:

• Internal and takes place on land
• External and takes place in water
• Internal and involves a larval stage
• External and takes place on land

127. The larval stage in the development of a frog is called a:

• Nymph
• Pupa
• Tadpole
• Larva

128. Which of the following is an economic importance of frogs to mankind?

• They are a primary source of timber.
• They act as pollinators for crops.
• They eat insects and protect crops.
• They produce valuable medicinal compounds for humans.