Question

ⓟⓛⓔⓐⓢⓔ ⓗⓔⓛⓟ ⓜⓔ ⓕⓐⓢⓣ ⓟⓛⓔⓐⓢⓔⓔⓔⓔⓔⓔ



subject = biology

lesson name = tissue​

Answer 1

7. $\huge{\underline{\tt{\blue{Answer-}}}}$ Porifera [Option C]

• Euspongia belongs to the group porifera.

• In Greek porifera means the Oakland which have pores on their bodies.

• Their body consists numerous pores.

• The are mostly marine organisms.

• They've canal system that helps in circulating water throughout the body to bring in food and oxygen.

• These animals are covered with the hard outside layer.

• Presence of a central cavity called spongocoel.

• They are the simplest multicellular organisms.

• Their bodies have no symmetry.

8. $\huge{\underline{\tt{\blue{Answer-}}}}$ Crocodiles [Option B]

• The crocodile belongs class Reptilia.

• Fertilisation is internal. most of reptiles lay eggs.

• They have 3 chambered heart.

• Only crocodiles have 4 chambered heart.

• All the reptiles are carnivorous.

• Flying dragon, tortoise, wall lizards and cobra are the examples of Reptilia.

9. $\huge{\underline{\tt{\blue{Answer-}}}}$ Photosynthesis [Option C]

• Photosynthesis is the process by which plants make their own food with the help of water carbon dioxide, sunlight, chlorophyll.

• The autotrophic mode of nutrition require carbon dioxide, sunlight, chlorophyll.

Photosynthesis reaction →

• 6CO2 + 6H2O → C6H12O6 + 6O2.

Answer 2

$\huge\bf\underline\mathfrak{Answer :}$

Question - 7 :-

Correct option - Porifera.

• These organisms are diploblastic ( they're composed of two germ layers in their body ).
• Most of them are situated in the sea but few other species are found in the areas of fresh-water . This specie found in the fresh water includes spongilla.
• The organisms that are included in this phylum are also referred as Sponges.

Question - 8 :-

Correct answer - Crocodiles

• It belongs to the class of reptilia.
• The organisms belonging to the reptilia class are possessed with hard and dry skin which is supported and covered with epidermal scales.
• Most of the reptilians are provided with three-chambered heart, but in the case of crocodile, there are four-chamabered heart.
• They follows the process of internal fertilisation.
• They're not mammals and lays eggs whose shell is agile and hard.

Question - 9 :-

Correct answer - Photosynthesis

• It is process of preparation of food by green plants when sunlight is present, along with other important factors like carbon dioxide and water.