Tag: seeds and seeds

Quizzes (11) Questions (51)

Questions Related to seeds and seeds

Multiple choice evs seeds and seeds introduction to plant organs and germination seed to plants germination of seeds

Consider the following statements regarding the introduction of plant materials and seeds.
a. Plant materials and seeds are always introduced from developed countries into developing/less developed countries.
b. The import of living plant materials must be accompanied by a certificate of health to prevent introduction of new disease and insect pests.
c. The superior varieties may be used in hybridization programmes.
Of these statements.

  1. $1, 2$ and $3$ are correct
  2. $1$ and $2$ are correct
  3. $2$ and $3$ are correct
  4. $1$ and $3$ are correct
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is false because plant materials are introduced globally between various countries, not exclusively from developed to developing nations. Statement 2 is true because quarantine regulations require health certificates to prevent pest introduction. Statement 3 is true because superior introduced varieties are valuable resources for breeding programs.

Multiple choice evs seeds and seeds introduction to plant organs and germination seed to plants germination of seeds

Occasionally, in some seeds such as ______(A) ___, remnants of nucellus are also persistent.This residual, persistent nucellus is the __(B)__________.

  1. (A) Castor and beet (B) Endopserm

  2. (A) Castor and beet (B) Carucele

  3. (A) Maize and rice (B) Aleurone layer

  4. (A) Black pepper and beet (B) Perisperm
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In some seeds such as black pepper and beet, remnants of the nucellus persist persistently. This residual nutritive nucellar tissue is known as the perisperm.

Multiple choice evs seeds and seeds introduction to plant organs and germination seed to plants germination of seeds

State whether the following statements are true or false.
A dry pea seed will have more dry weight than a germinated one.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The dry seeds of the pea have more dry weight as all the moisture in the seeds got absorbed and becomes hard due to the loss of water. In the germinated seed, more water is present so its fresh weight will be higher than the dry seed. Fresh weight is the weight of the living part of the plant while dry weight is the weight of the dry plant part.

So, the correct statement is 'True'. 

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Which of the following is the use of lichens in case of pollution?

  1. They treat the polluted water.

  2. They act as bioindicators of air pollution.

  3. They promote pollution.

  4. Lichens are not related with pollution.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Lichens are most sensitive to sulphur dioxide pollution and do not grow in areas with high levels of air pollution. Hence, Lichens are an important indicators of air pollution.

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

The earth's atmospheric window is in the:

  1. Ultraviolet region

  2. Visible region

  3. Infrared region

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

The atmospheric window refers to the range of wavelengths in the electromagnetic spectrum, specifically in the infrared region, where the atmosphere is transparent to radiation, allowing it to pass through to space.

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Lichens are described as indicator of 

  1. Air pollution

  2. Water pollution

  3. Soil pollution

  4. Agricultural productivity
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lichens are highly sensitive to sulfur dioxide in the air. Because they absorb nutrients directly from the atmosphere, their presence or absence serves as a reliable bio-indicator for air quality.

Multiple choice evs seeds and seeds interdependencies among organisms hunting plant interdependence between plants and animals

Diversity of organisms include three Domains such as

  1. bacteria, archae, eukarya

  2. binomial system of classification

  3. monera, protista, fungi, plantae, animalia

  4. membrane bound organelles, no peptidoglycan in cell walls, introns
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The three-domain system, proposed by Carl Woese, classifies all cellular life into Bacteria, Archaea, and Eukarya based on ribosomal RNA sequences.

Multiple choice evs seeds and seeds plant adaptation and modification leaves leaf modification

Plants capable of growing in nitrogen deficient soil is

  1. Orchids

  2. Ferns

  3. Insectivorous plants

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

Insectivorous plants are plants which are capable of growing in nitrogen deficient soil because they obtain their nitrogen content partially from the insects they ingest.

So, the correct option is 'Insectivorous plants'.