MCQ
Excretion in cockroach takes place by
  • A
    Nephridium
  • B
    Coxal glands
  • C
    Parotid gland
  • Malpighian tubules

Answer

Correct option: D.
Malpighian tubules
d
(d) Excretory organs of cockroach are malpighian tubules open at the junction of mid gut and hind gut $(ileum)$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which option is correct for conduction of nerve impulse along chemical synapse ?
(i) At synapse the membranes of the pre and post- synaptic neurons are separated by a fluid-filled space called synaptic cleft.
(ii) Chemicals called neurotransmitters are involved in the transmission of impulses at these synapses.
(iii) The axon terminals contain vesicles filled with these neurotransmitters.
(iv) When an impulse arrives at the axon terminal, synaptic vesicles release their neurotransmitters in the synaptic cleft.
(v) The released neurotransmitters bind to their specific receptors, present on the pre-synaptic membrane.
(vi) Opens ion channels allowing the entry of ions which can generate a new potential in the post- synaptic neuron.
(vii) The new potential developed is only excitatory.
Which of the following is genotypic ratio of Mendel's monohybrid cross
Select the correct option on the basis of following sentences

$(I)$ Hypothalamus is the basal part of diencephalon

$(II)$ It regulates a wide spectrum of body function

$(III)$ Two type of hormones are produced by hypothalamus.

$(IV)$ oxytosin is hypothalamic hormone.

Choose correct group which concern with any one system in cockroach and frog.
Assertion : The squamous epithelium is made of a single thin layer of flattened cells with irregular boundaries.
Reason : They are found in walls of blood vessels and air sacs of lungs
Which set clearly identify striated muscles
Identify the labelled part $A, B$ and $C$ from the given diagram
An organism used as a biofertilizer for raising soyabean crop is
At the time of puberty in boys which hormone triggers changes
Prothrombin is a