Structural Organisation In Animals Test

Structural Organisation In Animals

This is Structural Organisation In Animals Test-04 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Whales can live in cold water as they have thick coat of
  • A
    Striated skin
  • B
    Keratinized skin
  • C
    None of these
  • D
    Blubber
    Correct
2
Nerve fibres in the CNS can regenerate after injury due to presence of
  • A
    Plasmolemma
  • B
    Neurilemma
    Correct
  • C
    Myelin sheath
  • D
    Neurolemma
3
Platelets are formed from the
  • A
    Haemocytes
  • B
    Microkayocytes
  • C
    Thrombocytes
  • D
    Megakaryocytes
    Correct
4
Certain neutrophils in female mammals possess a small spherical lobe attached to their nucleus by a stalk. This lobe is called
  • A
    Leucona
  • B
    Leukopenia
  • C
    Golgi body
  • D
    Barr body
    Correct
5
The type of connective tissue that is associated with the umbilical cord is
  • A
    Adipose connective tissue
  • B
    Reticular connective tissue
  • C
    Jelly like connective tissue
    Correct
  • D
    Areolar connective tissue
6
The haemoglobin content/100 ml of blood of a normal healthy human adult is
  • A
    12-16 g
    Correct
  • B
    25-30 g
  • C
    17-20 g
  • D
    5-11 g
7
The type of muscles present in our
  • A
    Thigh is striated and voluntary
    Correct
  • B
    Heart is involuntary and unstriated smooth muscle
  • C
    Intestine is striated and involuntary
  • D
    Upper arm is smooth muscle and fusiform in shape
8
Choose the odd pair out in the following
  • A
    Areolar connective tissue – collagen
  • B
    Epithelium – keratin
  • C
    Neuron – melanin
    Correct
  • D
    Muscle fibre – actin
9
Close approximation of an axon of one neuron and a dendrite of the next is called
  • A
    Synapse
    Correct
  • B
    Bridge
  • C
    Junction
  • D
    Joint
10
The muscle which is immune to fatigue are
  • A
    Jaw muscle
  • B
    Unstriped muscle
  • C
    Cardiac muscle
    Correct
  • D
    Skeleton muscle
11
Mammary gland is an example of
  • A
    Holocrine gland
  • B
    Gastric glad
  • C
    Merocrine gland
  • D
    Apocrine gland
    Correct
12
In earthworm, two pairs of testes are present in
  • A
    12th and 13th segment
  • B
    10th and 11th segment
    Correct
  • C
    17th and 19th segment
  • D
    16th and 18th segment
13
How many types of nephridia are seen in earthworm based on their location?
  • A
    5
  • B
    2
  • C
    3
    Correct
  • D
    4
14
The pharyngeal nephridia of earthworm occur in segments
  • A
    3rd, 4th and 5th
  • B
    14th, 15th and 16th
  • C
    4th, 5th and 6th
    Correct
  • D
    5th, 6th and 7th
15
Earthworms are known as ‘Friends of farmers’ because
  • A
    They kill the birds.
  • B
    Their burrow makes soil loose.
  • C
    They are used as meal for farmers.
  • D
    Their burrow makes soil porous.
    Correct