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NEET BIOLOGY > Structural Organization > Flashcards

Structural Organization Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Statement 1: Bright yellow, red and green coloured cockroaches have also been reported in temperate regions.

A

False
Tropical regions

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2
Q

Their size ranges from………….. inches

A

¼ inches to 3 inches (0.6-7.6 cm)

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3
Q

Periplaneta americana size is………. In mm

A

34 to 53mm

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4
Q

Head is formed by the fusion of……..segments and shows great mobility in all directions due to flexible……..

A

six

neck

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5
Q

The head capsule bears a pair of…………

A

compound eyes

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6
Q

Statement 1: In females, the 8th sternum is boat shaped and together with the 8th and 9th sterna forms a brood or genital pouch
Statement 2: Posterior part of brood pouch contains female gonopore, spermathecal pores and collateral glands

A

Both statements are incorrect
7th sternum
Anterior part

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7
Q

Statement 1: In males, genital pouch or chamber is bounded dorsally by 9th and 10th terga and ventrally by the 9th sternum
Statement 2: It contains ventral anus, ventral male genital pore and gonapophysis.

A

Statement 1 is correct but statement 2 is incorrect
It contains dorsal Anu’s………..

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8
Q

Statement 1: A ring of 6-8 blind tubules called hepatic or gastric caeca is present at the junction of midgut and hindgut , which secrete digestive juice
Statement 2: At the junction of midgut and hindgut is present another ring of 100-120 yellow coloured thin filamentous Malpighian tubules.

A

Both statements are false
Statement 1: at junction of foregut and midgut
Statement 2: 100 to 150

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9
Q

The hindgut is [narrow/broader] than midgut and is differentiated into ileum, colon and rectum.

A

broader

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10
Q

The respiratory system consists of a network of trachea, that open through……… pairs of small holes called spiracles present on the lateral side of the body.

A

10

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11
Q

In addition, the fat body, nephrocytes and urecose glands also help in…………

A

excretion

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12
Q

compound eyes are situated at the [dorsal/ventral] surface of the head

A

dorsal

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13
Q

Each eye consists of about……..hexagonal ommatidia

A

2000

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14
Q

Male reproductive system consists of a pair of testes one lying on each lateral side in the…….abdominal segments.

A

4th -6th

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15
Q

A characteristic mushroom-shaped gland is present in the……. abdominal segments which functions as an accessory reproductive gland

A

6th-7th

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16
Q

Statement 1: The external genitalia are represented by male gonapophysis or phallomere
Statement 2: These are chitinous symmetrical structures, surrounding the male gonopore

A

Statement 1 is correct and 2 is incorrect
These are asymmetrical

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17
Q

Statement 1: The female reproductive sysytem consists of two large ovaries, lying laterally in the 2nd – 6th abdominal segments.
Statement 2: Each ovary is formed of a group of eight ovarian tubules or ovarioles, containing a chain of developing ova

A

Both statements are correct

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18
Q

A pair of spermatheca is present in the……..segment which opens into the genital chamber.

A

6th

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19
Q

Ootheca is a dark reddish to blackish brown capsule, about…….. long.

A

3/8” (8 mm)

20
Q

On an average, females produce………… oothecae, each containing…………. eggs arranged into …….. rows

A

9-10

14-16

2

21
Q

Statement 1: The colour of dorsal side of body is generally olive green with dark irregular spots.
Statement 2: On the ventral side the skin is uniformly pale yellow.

A

Both statements are correct

22
Q

The frog never drinks water but absorb it through the skin.

A

True

23
Q

Statement 1: The hind limbs end in five digits and they are larger and muscular than fore limb
Statement 2: fore limbs end in four digits

A

Both statements are correct

24
Q

copulatory pad on the first digit of the hind limbs

A

False
Fore limbs

25
Q

Assertion: The alimentary canal is short
Reason :frogs are carnivores and hence the length of intestine is reduced

A

Both are correct and R is correct explanation of A

26
Q

Partially digested food called…….is passed from stomach to the first part of the small intestine

A

chyme

27
Q

During aestivation and hibernation gaseous exchange takes place through……..

A

skin

28
Q

Statement 1: A oval structure called sinus venosus joins the left atrium atrium.
Statement 2: It receives blood through the major veins called vena cava.

A

Statement 1 is incorrect and 2 is correct
It is triangular structure which is present dorsal to right atrium and joins right atrium

29
Q

The ventricle opens into a sac-like…………on the……….side of the heart.

A

conus arteriosus

ventral

30
Q

Statement 1: Special venous connection between liver and intestine as well as the kidney and upper parts of the body are present in frogs.
Statement 2: The former is called hepatic portal system and the latter is called renal portal system.

A

Statement 1 is incorrect and 2 is correct
Kidney and lower parts of body are involved

31
Q

These are compact, dark red and bean like structures situated a little posteriorly in the body cavity on both sides of vertebral column.
Who am I?

A

Kidneys

32
Q

The ureters act as urinogenital duct which opens into the cloaca in…….

A

Males

33
Q

The frog excretes…….and thus is an………..animal.

A

urea

ureotelic

34
Q

Assertion: The system for control and coordination is highly evolved in the frog.
Reason: It includes both neural system and endocrine glands

A

Both are correct and R is correct explanation for A

35
Q

There are…….pairs of cranial nerves arising from the brain

A

ten

36
Q

Forebrain includes
Name 3 structures

A

olfactory lobes

paired cerebral hemispheres

unpaired diencephalon.

37
Q

midbrain is characterised by a pair of……….

A

optic lobes

38
Q

Hind-brain consists of
Name 2 parts

A

cerebellum

medulla oblongata.

39
Q

Frog has different types of sense organs, namely

A

organs of touch (sensory papillae)

taste (taste buds)

smell (nasal epithelium)

vision (eyes)

hearing (tympanum with internal ears).

40
Q

……. & ……….. are well-organised sense structures and the rest are cellular aggregations around nerve endings

A

eyes
internal ears

41
Q

Males have pair of yellowish…….. testes which are found adhered to the upper part of kidneys by a double fold of peritoneum called………..

A

Ovoid

mesorchium

42
Q

Vasa efferentia are…….in number that arise from testes.

A

10-12

43
Q

A mature female can lay……. To…….. ova at a time

A

2500 to 3000

44
Q

Muscular tongue is present, which is……..at the tip and is used in capturing the prey

A

bilobed

45
Q

Statement 1: Fertilisation is external and takes place in water
Statement 2: The eggs hatch into tadpoles, which metamorphose into frogs.

A

Both are correct

NEET BIOLOGY (13 decks)

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