Choose the statement which is not a characteristic feature of class-Hexactinellida. (A) The spic...

Channel:
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=DIjxF5YZxl4



Duration: 2:55
2 views
0


Choose the statement which is not a characteristic feature of class-Hexactinellida.
(A) The spicules are monoaxon or 3-4 branched
(B) Choanocytes are present in radial chambers
(C) A lot of forms of this class are seen in deep sea
(D) Spicules are siliceous
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16What proportion of the offsprings obtaied from cross \( A A B B C C \times A \) aB bC c will be ...
2022-11-16The flow of blood in the lateral hearts present in segments 7 and 9 of Pheretima is from the : (...
2022-11-16एक प्रारुपिक जन्तु कोशिका का नामांकित चित्र बनाइए।
2022-11-16In the questions given below, there are two Statements marked as Assertion (A) and Reason (R). R...
2022-11-16Show that the following points are the vertices of a rectangle: (i) \( A(-4,-1), B(-2,-4), C(4,0...
2022-11-16If \( a=-3, b=2, c=-1, x=-4, y=0 \), find the value of \( \sqrt[3]{3 a^{2} b^{3} c} \)
2022-11-16Mark the correct alternative in each of the following: If \( f(x)=x \sin (1 / x), x \neq 0 \), t...
2022-11-16What is the main function of thalamus and hypothalamus?
2022-11-16Find the equation of an ellipse whose vertices are \( (0, \pm 10) \) and eccentricity \( e=\frac...
2022-11-16Show that the following points are the vertices of a square: (i) \( A(3,2), B(0,5), C(-3,2) \) a...
2022-11-16Choose the statement which is not a characteristic feature of class-Hexactinellida. (A) The spic...
2022-11-16In the questions given below, there are two Statements marked as Assertion (A) and Reason (R). R...
2022-11-16is also known as infectious hepatitis.
2022-11-16क्या होता है जब \( \mathrm{KMnO}_{4} \) को- सान्द्र \( \mathrm{H}_{2} \mathrm{SO}_{4} \) के साथ ...
2022-11-16\( \mathrm{RCl}+\mathrm{NaOH}(a q) \longrightarrow \mathrm{ROH}+\mathrm{NaCl} \) उपरोक्त अभिक्रि...
2022-11-16Find the distance of the point of intersection of the lines \( 2 x+3 y=21 \) and \( 3 x-4 y+11=0...
2022-11-16\( \left\{\frac{1+\cos \pi / 8+i \sin \pi / 8}{1+\cos \pi / 8-i \sin \pi / 8}\right\}^{8}= \) (A...
2022-11-16W/hich are the intensive properties? (A) Temperature (B) Pressure (C) Density (D) Enthalpy
2022-11-16A boy stands on a freely rotating platform. With his arms extended, his rotational speed is \( 0...
2022-11-16प्लाज्मिड होते हैं- (A) वर्तुलाकार (B) वाहक (C) एम्स्ट्रान्यूक्लियर (D) उपरोक्तसभी।
2022-11-16किसी कण की स्थिति सदिश निम्नलिखित है : \[ \mathbf{r}=\left(3.0 t \hat{\mathbf{i}}-2.0 t^{2} \hat...