MCQ
Choose the correct combination
  • Annelida and Porifera ........... Phyla
  • B
    Oligochaeta and Arthropoda.........Phyla
  • C
    Mollusca and Hydrozoa........Classes
  • D
    Aves and Chordata...........Classes

Answer

Correct option: A.
Annelida and Porifera ........... Phyla
a
It’s obvious.

 

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

Animal which passes water current through its body for food is
What are flocs?
Mark the given statements True (T) or False (F). 
(i) Inheritance is the process by which characters are passed on from parents to progeny.
(ii) Mendel conducted hybridisation experiment on wild peas for seven years and proposed the laws of inheritance in living organisms.
(iii) The first hybrid generation is also called filial progeny or $F_2$
(iv) In a monohybrid cross, the phenotypic and genotypic ratio in $F_2$, generation is 3:1 and 1:2:1 respectively.
(v) According to Mendel, characters are controlled by discrete units called factors and now we call them genes.
(vi) Genes which code for a pair of contrasting traits are known as alleles.
(vii) For a character like height, TT and tt are called phenotype of organism while descriptive terms tall and dwarf are genotype. 
(viii) Both the alleles can be similar in case of homozygotes (eg. TT or tt) or can be dissimilar as in the case of heterozygote (eg. Tt) for a particular trait (eg. height).
(ix) During the process of meiosis, the segregation of alleles is a random process and so there is a 50% chance of a gamete containing either allele.
Image
Allergy involves
Which one of the following statements is false in respect of viability of mammalian sperm?
Pheritima posthuma and Periplanata are similar in which aspect
Foot is displaced to the neighbourhood of mouth and divided into arms in
Lymph ultimately release the absorbed substances into
Given below are two statements :

Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.

Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.

In the light of the above statements, choose the most appropriate answer from the options given below:

Identify correct match

$(a)$

$(b)$

$(c)$

$1.$ Typhoid

$a.$ Virus

$P.$ Nose

$2.$ Malaria

$b.$ Bacteria

$Q.$ Liver cells

$3.$ Common cold

$c.$ Protozoans

$R.$ Small intestine