MCQ
Zygotic meiosis takes place in
  • A
    Selaginella
  • Spirogyra
  • C
    Pinus
  • D
    Brassica

Answer

Correct option: B.
Spirogyra
b
(b) Plant body of Spirogyra is haploid but after gametic fusion, diploid zygospore is formed, thus zygotic meiosis takes place.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The macronutrients which is essential component of all organic compounds but is not obtained by plants from soil is:
Bryophytes can be separated from algae, because they
Insectivorous plants grow where.
$CO _{2}$ diffuses into ...$A$... and forms $H C O_{3}^{-i i}$ and $H^{+i i}$. At the ...$B$... site where $p C O_{2}$ is low, the reaction proceeds in the opposite direction.

Thus, $C O_{2}$ is trapped as ...$C$... at the tissue level and transported to alveoli is released out as ...$D$...

Select the right choice for $A, B, C$ and $D$ to complete the given $NCERT$ statement

Identify figure ($A$ and $B$).
Roots develop from which part of seed?
$A$ - Polysaccharides are long chains of sugars

$R$ - Cellulose is important component of plant cell wall

Which of the following statements is/are correct?

$(i)$ The endomembrane system includes plasma membrane, ER, Golgi complex, lysosomes and vacuoles.

$(ii)$ ER helps in the transport of substances, synthesis of proteins, lipoproteins and glycogen.

$(iii)$ Ribosomes are involved in protein synthesis.

$(iv)$ Mitochondria help in oxidative phosphorylation and generation of $ATP$.

Match the element with its associated functions/ roles and choose the correct option among given below:
$A$ Boron $i.$ Splitting of $\text{H2o}$ to liberate $o_2$ during photosynthesis.
$B$ Mamganese $ii.$ Needed for synthesis of auxins.
$C$ Molybdenum $iii.$ Component of nitrogenase.
$D$ Zinc $iv.$ Pollen germinnation.
$E$ Iron $v.$ Component of ferredoxin.
Which one of the following is $C_4$ plant