HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms

These Solutions are part of HOTS Questions for Class 9 Science. Here we have given HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms

Question 1.
(a) Identify figures A to F.
HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms image - 1
(b) Which one of them is unicellular and eukaryotic organism ?
(c) Which one of them shows

  1. Heterotrophic nutrition
  2. Mixotrophic nutrition ?

(d) Which one of them is non-vascular embryophyte ?
(e) In which of them, xylem lacks vessels while phloem is devoid of companion cells ?
(f) In which of them endosperm is halpoid ?
(g) Which of them is commonly called

  1. Bread Mould
  2. Male Shield Fern ?

Answer:
(a) Identification.
A-Fern (Male Shield Fern, Dryopteris)
B-Moss (Funaria).
C—Pinus.
D—Spirogyra.
E—Euglena.
F-Rhizopus.
(b) Unicellular Eukaryotic Organism. Euglena.
(c)

  1. Heterotrophic Nutrition. Rhizopus.
  2. Mixotrophic Nutrition. Euglena.

(d) Non-vascular Embryophyte. Moss (Funaria)
(e) Xylem without Vessels and Phloem without Companion Cells. Pinus.
(f) Haploid Endosperm. Pinus
(g)

  1. Bread Mould._Rhizopus.
  2. Male Shield Fern. Dryopteris.

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Question 2.
(a) Identify figure A to D.
HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms image - 2
(b) Which one belongs to

  1. Platyhelminthes
  2. Arthropoda
  3. Annelida ?

(c) Which one of them has

  1. Tissue level organisation
  2. Primitive organ level organisation ?

(d) Which one of them has

  1. Flame cells as exretory organs
  2. Nephridia as excretory organs ?

(e) Which one of them has poison claw ?
(f) Which one of them is

  1. Diploblastic
  2. Triploblastic ?

Answer:
(a) Identification.
A-Centipede.
B-Hydra.
C-Liverfluke {Fasciola).
D- Earthworm {Pheretima posthuma).
(b)

  1. Plathyhelminthes—Liverfluke (Fasciola)
  2. Arthropoda-Centipede (Scolopendra).
  3. Annelida-Earthworm {Pheretima posthuma).

(c)

  1. Tissue Level Organisation. Hydra.
  2. Primitive Organ Level Organisation. Liverfluke (Fasciola)

(d)

  1. Flame Cells. Liverfluke (Fasciola)
  2. Nephridia. Earthworm {Pheretima posthuma)

(e) Poison Claw. Centipede {Scolopendra)
(f)

  1. Diploblastic. Hydra.
  2. Triploblastic. Liverfluke {Fasciola), Centipede (Scolopendra), Earthworm {Pheretima posthuma).

Question 3.
(a) Identify the figure and write down the phylum to which it belongs.
(b) Which type of
HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms image - 3

  1. Locomotory organ is present in it.

Circulatory system is present in it.
(c) Which type of symmetry is present ?
Answer:
(a) Identification. Pila (Apple Snail). Phylum. Mollusca.
(b)

  1. Locomotory Organ. Foot,
  2. Circulatory System. Open (Haemocoel).

(c) Symmetry. Asymmetry due to torsion (spirally coiled).

Question 4.
(a) Label W, X, Y and Z.
HOTS Questions for Class 9 Science Chapter 7 Diversity in Living Organisms image - 4
(b) Identify the above diagram.
(c) Name the phylum in which notochord is present.
(d) Name the subphylum in which notochord is present throughout life.
Answer:
(a) W-Anus.
X-Gill slits.
Y-Notochord.
Z-Nerve cord.
(b) Identification. Basic characteristics of chordates.
(c) Phylum with Notochord. Chordata.
(d) Subphylum with Notochord throughout Life. Cephalochordata.

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