Which one of the following structures in Pheretima is correctly matched with its function?
Options
(a) Clitellum – secretes cocoon (b) Gizzard – absorbs digested food (c) Setae- defence against predators (d) Typhlosole […]
One very special feature in the earthworm Pheretima is that
Options
(a) fertilisation for eggs occurs inside the body (b) the typhlosole greatly increases the effective absorption area of the digested food in […]
The type of muscles present in our:
Options
(a) heart are involuntary and unstriated smooth muscles (b) intestine are striated and involuntary (c) thigh are striated and voluntary (d) upper arm are smooth […]
Which of the following is correctly stated as it happens in the common cockroach ?
Options
(a) Malpighian tubules are excretory organs projecting out from the colon (b) Oxygen is transported by haemoglobin […]
Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it ?
Options
(a) Biceps of upper arm–Smooth muscle fibres (b) Abdominal wall–Smooth muscle […]
Which one of the following correctly describes the location of some body parts in the earthworm Pheretima ?
Options
(a) Four pairs of spermathecae in 4 – 7 segments (b) One pair of ovaries […]
Bone is connected to muscle with the help of
Options
(a) cartilage (b) ligament (c) tendon (d) none of these
Correct Answer:
tendon
Explanation:
No explanation available. Be the first to write the […]
Cardiac muscles are different from that of skeletal muscles as
Options
(a) they are smooth (b) they are voluntary (c) they are non-striated (d) they are striated and involuntary
Correct Answer:
they are […]
In the development of a frog, the gastrulation process involves
Options
(a) epiboly (b) invagination (c) emboly (d) all of these
Correct Answer:
all of these
Explanation:
No explanation available. Be the first […]
Earthworm and cockroach have which of the following thing in common?
Options
(a) nephridia (b) ventral nerve chord (c) cocoon (d) closed blood vascular system
Correct Answer:
ventral nerve chord
Explanation:
No explanation […]
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