Tag: monera, protista, fungi

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Questions Related to monera, protista, fungi

Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

"Mother-of-Pearl" is

  1. A hard iridescent substance forming the inner layer of certain shells

  2. A special large sized pad found in Japan

  3. An oyster which yields the pearl

  4. A title given to Queen Victoria on becoming the Empress of India
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nacre, also known as the mother of pearl, is an organic-inorganic composite material produced by some molluscs as an inner shell layer; it also makes up the outer coating of pearls. It is strong, resilient, and iridescent. So, the correct option is A. ( A hard iridescent substance forming the inner layer of certain shells )

Multiple choice biology kingdom animalia species, communities and ecosystems kingdom fungi monera, protista, fungi

The animals that give birth to young ones are

  1. Reptiles

  2. Birds

  3. Amphibians

  4. Mammals
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mammals are the warm-blooded vertebrate animal that is distinguished by the possession of hair or fur, females that secrete milk for the nourishment of the young. They give birth to young ones so they are known as viviparous.
So, the correct answer is 'Mammals'.

Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

Which one is true of male gamete of angiosperms?

  1. Large nucleus

  2. Thick sheath of cytoplasm

  3. Thin sheath of cytoplasm devoid of ce organelles

  4. Both B and C
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Pollen grains form the first cell of male gametophytic generation.It divides into two unequal cells; a small generative cell and a larger vegetative cell. During the germination of pollen tube over the carpel, the vegetative tube nucleus migrates into the pollen tube and reaches up to the distal end. The generative cell also migrates into the pollen tube and divides to form two male gametes. Each male gamete consists of a large nucleus surrounded by a thin sheath of cytoplasm. 

Thus, the correct answer is option A. 

Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

Which of the following is correct in case of  homosporous pteridophytes?

  1. All the sporangia are similar

  2. Male and female gametophytes exist

  3. Two different types of spores are present

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Homosporous pteridophytes produce only one type of spores. Also, all the sporangia in a homosporous pteridophyte are similar.

So, the correct option is 'All the sporangia are similar'.

Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

The zygote of angiosperms is

  1. Haploid

  2. Diploid

  3. Triploid

  4. Polyploid
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • In angiosperms, as the pollen tube penetrates the ovule, it releases two sperm cells. One fuses with the egg to create a diploid zygote which develops into an embryo, while the other joins with the fusion nucleus to form a triploid nucleus that develops into endosperm.
  • So the correct answer is ' Diploid'.
Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

Which of the following external characters help in differentiating a male cockroach from a female one? 

  1. Abdominal segments

  2. Anal cerci

  3. Anal styles

  4. Antennae
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Anal style are a pair of thread like appendages arising from the 9th segment of the male cockroaches. They are characteristic feature of male cockroaches and help in copulation.

So, the correct option is 'Anal Styles'.

Multiple choice biology biological diversity species, communities and ecosystems kingdom fungi monera, protista, fungi

The blood of cockroach contains no heamoglobin. It means that

  1. Oxygen goes directly into tissues by diffusion

  2. Respiration is anaerobic

  3. Cockroach does not respire

  4. Oxygen goes, directly into intracellular capillary system
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cockroach blood is not red because they do not use hemoglobin to carry oxygen. In fact, their bloodstream is not used to carry oxygen either. They use a system of pipes called tracheae to bring the oxygen and remove carbon dioxide from their tissues and oxygen goes directly into tissues by diffusion. So, the correct option is A. ( Oxygen goes directly into tissues by diffusion )